diff --git a/Source/Core/VideoBackends/OGL/Src/GLUtil.h b/Source/Core/VideoBackends/OGL/Src/GLUtil.h
index 54a2ac5735..4dbbd06e05 100644
--- a/Source/Core/VideoBackends/OGL/Src/GLUtil.h
+++ b/Source/Core/VideoBackends/OGL/Src/GLUtil.h
@@ -33,6 +33,7 @@
 #define glDrawElementsBaseVertex(...)
 #define glDrawRangeElementsBaseVertex(...)
 #define glRenderbufferStorageMultisampleCoverageNV(...) 
+#define glViewportIndexedf(...)
 #endif
 #else
 #define TEX2D	GL_TEXTURE_RECTANGLE_ARB