diff --git a/plugins/GSdx/res/glsl/tfx_vgs.glsl b/plugins/GSdx/res/glsl/tfx_vgs.glsl
index c277c0fed3..76cc151fcb 100644
--- a/plugins/GSdx/res/glsl/tfx_vgs.glsl
+++ b/plugins/GSdx/res/glsl/tfx_vgs.glsl
@@ -28,7 +28,7 @@ out SHADER
 #define VSout_fc (VSout.fc)
 
 out gl_PerVertex {
-    invariant vec4 gl_Position;
+    vec4 gl_Position;
     float gl_PointSize;
 #if !pGL_ES
     float gl_ClipDistance[];
@@ -157,7 +157,7 @@ void vs_main()
 #endif
 
 in gl_PerVertex {
-    invariant vec4 gl_Position;
+    vec4 gl_Position;
     float gl_PointSize;
 #if !pGL_ES
     float gl_ClipDistance[];
diff --git a/plugins/GSdx/res/glsl_source.h b/plugins/GSdx/res/glsl_source.h
index 7554e46029..2a03862bee 100644
--- a/plugins/GSdx/res/glsl_source.h
+++ b/plugins/GSdx/res/glsl_source.h
@@ -479,7 +479,7 @@ static const char* tfx_vgs_glsl =
 	"#define VSout_fc (VSout.fc)\n"
 	"\n"
 	"out gl_PerVertex {\n"
-	"    invariant vec4 gl_Position;\n"
+	"    vec4 gl_Position;\n"
 	"    float gl_PointSize;\n"
 	"#if !pGL_ES\n"
 	"    float gl_ClipDistance[];\n"
@@ -608,7 +608,7 @@ static const char* tfx_vgs_glsl =
 	"#endif\n"
 	"\n"
 	"in gl_PerVertex {\n"
-	"    invariant vec4 gl_Position;\n"
+	"    vec4 gl_Position;\n"
 	"    float gl_PointSize;\n"
 	"#if !pGL_ES\n"
 	"    float gl_ClipDistance[];\n"