diff --git a/build_web_debug.bat b/build_web_debug.bat
index 3dca7e2..967701e 100644
--- a/build_web_debug.bat
+++ b/build_web_debug.bat
@@ -10,21 +10,10 @@ set FLAGS=-O0 -g -DDEVTOOLS
 set OUTPUT_FOLDER=build_web
 
 
-if "%1" == "NO_VALIDATION" (
-    echo Disabling graphics validation...
-    set FLAGS=%FLAGS% -DNDEBUG
-)
-
 call build_web_common.bat || goto :error
 
 @echo off
 
-if "%1" == "NO_VALIDATION" (
-    echo Validation turned off
-) else (
-    echo If you want to turn graphics validation off to make web debug build faster, provide a command line argument called "NO_VALIDATION" to this build script
-)
-
 goto :success
 
 :error
diff --git a/main.c b/main.c
index 34706c4..d6f8f2b 100644
--- a/main.c
+++ b/main.c
@@ -60,6 +60,15 @@ __declspec(dllexport) uint32_t AmdPowerXpressRequestHighPerformance = 0x00000001
 #include "sokol_app.h"
 #pragma warning(push)
 #pragma warning(disable : 4191) // unsafe function calling
+#ifdef WEB
+# ifndef GL_EXT_PROTOTYPES
+# define GL_GLEXT_PROTOTYPES
+# endif
+# include <GLES2/gl2.h>
+# include <GLES2/gl2ext.h>
+# undef glGetError
+# define glGetError() (GL_NO_ERROR)
+#endif
 #include "sokol_gfx.h"
 #pragma warning(pop)
 #include "sokol_time.h"