diff --git a/data/dynos_mgr_pack.cpp b/data/dynos_mgr_pack.cpp
index 9bd54ad92..e60ccf410 100644
--- a/data/dynos_mgr_pack.cpp
+++ b/data/dynos_mgr_pack.cpp
@@ -151,7 +151,7 @@ PackData* DynOS_Pack_Add(const SysPath& aPath) {
     const char* displayName = aPath.c_str();
     const char* ctoken = displayName;
     while (*ctoken != '\0') {
-        if (*ctoken == '/' || *ctoken == '\\') {
+        if (*ctoken == *PATH_SEPARATOR || *ctoken == *PATH_SEPARATOR_ALT) {
             if (*(ctoken + 1) != '\0') {
                 displayName = (ctoken + 1);
             }
diff --git a/src/pc/lua/smlua.c b/src/pc/lua/smlua.c
index cd2502050..d8f2619c7 100644
--- a/src/pc/lua/smlua.c
+++ b/src/pc/lua/smlua.c
@@ -359,7 +359,7 @@ void smlua_init(void) {
             }
 
             // skip loading scripts in subdirectories
-            if (strchr(file->relativePath, '/') != NULL || strchr(file->relativePath, '\\') != NULL) {
+            if (strchr(file->relativePath, *PATH_SEPARATOR) != NULL || strchr(file->relativePath, *PATH_SEPARATOR_ALT) != NULL) {
                 continue;
             }
 
diff --git a/src/pc/lua/smlua_require.c b/src/pc/lua/smlua_require.c
index c331a0570..c99db7513 100644
--- a/src/pc/lua/smlua_require.c
+++ b/src/pc/lua/smlua_require.c
@@ -121,7 +121,7 @@ static int smlua_custom_require(lua_State* L) {
         return 0;
     }
 
-    if (path_ends_with(moduleName, "/") || path_ends_with(moduleName, "\\")) {
+    if (path_ends_with(moduleName, PATH_SEPARATOR) || path_ends_with(moduleName, PATH_SEPARATOR_ALT)) {
         LOG_LUA_LINE("cannot require a directory");
         return 0;
     }
diff --git a/src/pc/lua/smlua_utils.c b/src/pc/lua/smlua_utils.c
index a680fe2b0..3ccda2a7f 100644
--- a/src/pc/lua/smlua_utils.c
+++ b/src/pc/lua/smlua_utils.c
@@ -849,7 +849,7 @@ void smlua_logline(void) {
         if (strlen(src) < SYS_MAX_PATH) {
             int slashCount = 0;
             for (const char* p = src + strlen(src); p > src; --p) {
-                if (*p == '/' || *p == '\\') {
+                if (*p == *PATH_SEPARATOR || *p == *PATH_SEPARATOR_ALT) {
                     if (++slashCount == 2) {
                         folderStart = p + 1;
                         break;
diff --git a/src/pc/lua/utils/smlua_misc_utils.c b/src/pc/lua/utils/smlua_misc_utils.c
index 9e90a45fb..faa10c1ae 100644
--- a/src/pc/lua/utils/smlua_misc_utils.c
+++ b/src/pc/lua/utils/smlua_misc_utils.c
@@ -622,8 +622,8 @@ LuaTable get_mod_files(struct Mod* mod, OPTIONAL const char* subDirectory) {
     normalize_path(normalizedSubDir);
 
     size_t subDirLen = strlen(normalizedSubDir);
-    if (subDirLen > 0 && subDirLen + 1 < SYS_MAX_PATH && normalizedSubDir[subDirLen - 1] != '/') {
-        strcat(normalizedSubDir, "/");
+    if (subDirLen > 0 && subDirLen + 1 < SYS_MAX_PATH && normalizedSubDir[subDirLen - 1] != *PATH_SEPARATOR) {
+        strcat(normalizedSubDir, PATH_SEPARATOR);
         subDirLen = strlen(normalizedSubDir);
     }
 
diff --git a/src/pc/mods/mods_utils.c b/src/pc/mods/mods_utils.c
index 6e8c2bcd9..e09df3089 100644
--- a/src/pc/mods/mods_utils.c
+++ b/src/pc/mods/mods_utils.c
@@ -144,7 +144,7 @@ bool mod_file_create_directories(struct Mod* mod, struct ModFile* modFile) {
     char* p = path;
     u16 index = 0;
     while (*p != '\0') {
-        if (*p == '/' || *p == '\\') {
+        if (*p == *PATH_SEPARATOR || *p == *PATH_SEPARATOR_ALT) {
             if (snprintf(tmpPath, index + 1, "%s", path) < 0) { }
             if (!fs_sys_dir_exists(tmpPath)) {
                 fs_sys_mkdir(tmpPath);
@@ -210,11 +210,9 @@ void normalize_path(char* path) {
     // replace slashes
     char* p = path;
     while (*p) {
-#if defined(_WIN32)
-        if (*p == '/') { *p = '\\'; }
-#else
-        if (*p == '\\') { *p = '/'; }
-#endif
+        if (*p == *PATH_SEPARATOR_ALT) {
+            *p = *PATH_SEPARATOR;
+        }
         p++;
     }
 }
@@ -227,7 +225,7 @@ char* path_basename(char* path) {
     char* base = path;
     while (*path != '\0') {
         if (*(path + 1) != '\0') {
-            if (*path == '\\' || *path == '/') {
+            if (*path == *PATH_SEPARATOR || *path == *PATH_SEPARATOR_ALT) {
                 base = path + 1;
             }
         }
@@ -251,7 +249,7 @@ void path_get_folder(char* path, char* outpath) {
 int path_depth(const char* path) {
     int depth = 0;
     for (; *path; path++) {
-        if (*path == '/' || *path == '\\') {
+        if (*path == *PATH_SEPARATOR || *path == *PATH_SEPARATOR_ALT) {
             depth++;
         }
     }
@@ -262,7 +260,7 @@ void resolve_relative_path(const char* base, const char* path, char* output) {
     char combined[SYS_MAX_PATH] = "";
 
     // If path is absolute, copy as is. Otherwise, combine base and relative path
-    if (path[0] == '/' || path[0] == '\\') {
+    if (path[0] == *PATH_SEPARATOR || path[0] == *PATH_SEPARATOR_ALT) {
         snprintf(combined, sizeof(combined), "%s", path);
     } else {
         snprintf(combined, sizeof(combined), "%s/%s", base, path);
@@ -272,7 +270,7 @@ void resolve_relative_path(const char* base, const char* path, char* output) {
     int tokenCount = 0;
 
     // Tokenize path by separators
-    char* token = strtok(combined, "/\\");
+    char* token = strtok(combined, PATH_SEPARATOR PATH_SEPARATOR_ALT);
     while (token && tokenCount < 64) {
         if (strcmp(token, "..") == 0) {
             // Pop last token to go up a directory
@@ -283,7 +281,7 @@ void resolve_relative_path(const char* base, const char* path, char* output) {
             tokens[tokenCount++] = token;
         }
 
-        token = strtok(NULL, "/\\");
+        token = strtok(NULL, PATH_SEPARATOR PATH_SEPARATOR_ALT);
     }
 
     output[0] = '\0';
@@ -291,7 +289,7 @@ void resolve_relative_path(const char* base, const char* path, char* output) {
     // Build output path from tokens
     for (int i = 0; i < tokenCount; i++) {
         if (i > 0) {
-            strncat(output, "/", SYS_MAX_PATH - strlen(output) - 1);
+            strncat(output, PATH_SEPARATOR, SYS_MAX_PATH - strlen(output) - 1);
         }
         strncat(output, tokens[i], SYS_MAX_PATH - strlen(output) - 1);
     }
@@ -308,8 +306,8 @@ bool directory_sanity_check(struct dirent* dir, char* dirPath, char* outPath) {
     if (!fs_sys_filename_is_portable(dir->d_name)) { return false; }
 
     // skip anything that contains \ or /
-    if (strchr(dir->d_name, '/') != NULL)  { return false; }
-    if (strchr(dir->d_name, '\\') != NULL) { return false; }
+    if (strchr(dir->d_name, *PATH_SEPARATOR) != NULL) { return false; }
+    if (strchr(dir->d_name, *PATH_SEPARATOR_ALT) != NULL) { return false; }
 
     // skip anything that starts with .
     if (dir->d_name[0] == '.') { return false; }
diff --git a/src/pc/platform.c b/src/pc/platform.c
index 185b85bd9..7daeb178e 100644
--- a/src/pc/platform.c
+++ b/src/pc/platform.c
@@ -56,8 +56,8 @@ const char *sys_file_extension(const char *fpath) {
 }
 
 const char *sys_file_name(const char *fpath) {
-    const char *sep1 = strrchr(fpath, '/');
-    const char *sep2 = strrchr(fpath, '\\');
+    const char *sep1 = strrchr(fpath, *PATH_SEPARATOR);
+    const char *sep2 = strrchr(fpath, *PATH_SEPARATOR_ALT);
     const char *sep = sep1 > sep2 ? sep1 : sep2;
     if (!sep) return fpath;
     return sep + 1;
@@ -325,7 +325,7 @@ const char *sys_user_path(void) {
 
     // strip the trailing separator
     const unsigned int len = strlen(path);
-    if (path[len-1] == '/' || path[len-1] == '\\') { path[len-1] = 0; }
+    if (path[len-1] == *PATH_SEPARATOR || path[len-1] == *PATH_SEPARATOR_ALT) { path[len-1] = 0; }
 
     return path;
 }
diff --git a/src/pc/platform.h b/src/pc/platform.h
index c05094ad4..e043c6ab5 100644
--- a/src/pc/platform.h
+++ b/src/pc/platform.h
@@ -7,6 +7,14 @@
 
 /* platform-specific functions and whatnot */
 
+#ifdef _WIN32
+#define PATH_SEPARATOR      "\\"
+#define PATH_SEPARATOR_ALT  "/"
+#else
+#define PATH_SEPARATOR      "/"
+#define PATH_SEPARATOR_ALT  "\\"
+#endif
+
 #define SYS_MAX_PATH 4096
 
 // crossplatform impls of misc stuff