diff --git a/gfx/drivers/gl_shaders/shaders_common.h b/gfx/drivers/gl_shaders/shaders_common.h
index 215b48b5a1..604ccfc312 100644
--- a/gfx/drivers/gl_shaders/shaders_common.h
+++ b/gfx/drivers/gl_shaders/shaders_common.h
@@ -1,9 +1,14 @@
 #ifndef _SHADERS_COMMON
 #define _SHADERS_COMMON
 
+#if defined(HAVE_OPENGLES)
+#define GLSL(src) "precision mediump float;\n" #src
+#define GLSL_330_ES(src)   "#version 330 es\nprecision mediump float;\n"   #src
+#define GLSL_330_CORE(src) "#version 330 core\nprecision mediump float;\n" #src
+#else
 #define GLSL(src) "" #src
-
 #define GLSL_330_ES(src)   "#version 330 es\n"   #src
 #define GLSL_330_CORE(src) "#version 330 core\n" #src
-
 #endif
+
+#endif
\ No newline at end of file