diff --git a/src/pc/gfx/gfx_direct3d11.cpp b/src/pc/gfx/gfx_direct3d11.cpp
index 619b90292..c871e3fe0 100644
--- a/src/pc/gfx/gfx_direct3d11.cpp
+++ b/src/pc/gfx/gfx_direct3d11.cpp
@@ -430,7 +430,7 @@ static struct ShaderProgram *gfx_d3d11_lookup_shader(struct ColorCombiner* cc) {
 
 static struct ShaderProgram *gfx_d3d11_lookup_shader_using_index(u8 shaderIndex) {
     if (shaderIndex >= d3d.shader_program_pool_size) return nullptr;
-    return (struct ShaderProgram *)&d3d.shader_program_pool[i];
+    return (struct ShaderProgram *)&d3d.shader_program_pool[shaderIndex];
 }
 
 static void gfx_d3d11_shader_get_info(struct ShaderProgram *prg, uint8_t *num_inputs, bool used_textures[2]) {
diff --git a/src/pc/lua/utils/smlua_gfx_utils.c b/src/pc/lua/utils/smlua_gfx_utils.c
index 556c4bf8b..2d3664711 100644
--- a/src/pc/lua/utils/smlua_gfx_utils.c
+++ b/src/pc/lua/utils/smlua_gfx_utils.c
@@ -396,59 +396,83 @@ struct CCFeatures *gfx_color_combiner_get_features(struct ColorCombiner *cc) {
 
 
 u32 gfx_get_program_id_from_shader_index(u8 shaderIndex) {
+#ifdef RAPI_GL
     struct ShaderProgram* program = RAPI.lookup_shader_using_index(shaderIndex);
     if (!program) return 0;
     return program->opengl_program_id;
+#else
+    return 0;
+#endif
 }
 
 void gfx_use_program(u32 program) {
+#ifdef RAPI_GL
     glUseProgram(program);
+#endif
 }
 
 int gfx_shader_get_uniform_location(u32 program, const char* name) {
+#ifdef RAPI_GL
     return glGetUniformLocation(program, name);
+#else
+    return 0;
+#endif
 }
 
 void gfx_shader_set_int(int loc, int value) {
+#ifdef RAPI_GL
     if (loc != -1) {
         glUniform1i(loc, value);
     }
+#endif
 }
 
 void gfx_shader_set_bool(int loc, bool value) {
+#ifdef RAPI_GL
     if (loc != -1) {
         glUniform1i(loc, (int)value);
     }
+#endif
 }
 
 void gfx_shader_set_float(int loc, float value) {
+#ifdef RAPI_GL
     if (loc != -1) {
         glUniform1f(loc, value);
     }
+#endif
 }
 
 void gfx_shader_set_vec2(int loc, float x, float y) {
+#ifdef RAPI_GL
     if (loc != -1) {
         glUniform2f(loc, x, y);
     }
+#endif
 }
 
 void gfx_shader_set_vec3(int loc, float x, float y, float z) {
+#ifdef RAPI_GL
     if (loc != -1) {
         glUniform3f(loc, x, y, z);
     }
+#endif
 }
 
 void gfx_shader_set_vec4(int loc, float x, float y, float z, float w) {
+#ifdef RAPI_GL
     if (loc != -1) {
         glUniform4f(loc, x, y, z, w);
     }
+#endif
 }
 
 void gfx_shader_set_mat4(int loc, const Mat4 mat) {
+#ifdef RAPI_GL
     if (loc != -1) {
         glUniformMatrix4fv(loc, 1, GL_FALSE, (const GLfloat*)mat);
     }
+#endif
 }
 
 Vtx *vtx_get_from_name(const char *name, RET u32 *count) {