diff --git a/src/engine/math_util.c b/src/engine/math_util.c
index f13dc051f..592968651 100644
--- a/src/engine/math_util.c
+++ b/src/engine/math_util.c
@@ -827,7 +827,7 @@ OPTIMIZE_O3 bool mtxf_inverse_non_affine(VEC_OUT Mat4 dest, Mat4 src) {
             if (fabsf(aug[i][k]) > fabsf(aug[piv][k])) { piv = i; }
         }
 
-        if (fabsf(aug[piv][k]) < FLT_EPSILON) { return false; }
+        if (fabsf(aug[piv][k]) < __FLT_EPSILON__) { return false; }
 
         // swap pivot row into place
         if (piv != k) {
diff --git a/src/pc/platform.c b/src/pc/platform.c
index 331a7c075..185b85bd9 100644
--- a/src/pc/platform.c
+++ b/src/pc/platform.c
@@ -411,4 +411,12 @@ static void sys_fatal_impl(const char *msg) {
     exit(1);
 }
 
+const char *sys_resource_path(void) {
+    return ".";
+}
+
+const char *sys_exe_path_dir(void) {
+    return ".";
+}
+
 #endif // platform switch