diff --git a/video/out/gl_header_fixes.h b/video/out/gl_header_fixes.h
index ffc583cd46..88e8dd5e58 100644
--- a/video/out/gl_header_fixes.h
+++ b/video/out/gl_header_fixes.h
@@ -249,7 +249,7 @@
 #endif
 #endif
 
-#ifdef GL_NV_vdpau_interop
+#ifndef GL_NV_vdpau_interop
 #define GLvdpauSurfaceNV GLintptr
 #endif