diff --git a/dlls/gdi/gdi32.spec b/dlls/gdi/gdi32.spec
index e494c720fda..06d89957bb0 100644
--- a/dlls/gdi/gdi32.spec
+++ b/dlls/gdi/gdi32.spec
@@ -499,6 +499,7 @@
 # Wine extensions: OpenGL support
 #
 @ stdcall wglCreateContext(long)
+@ stdcall wglDeleteContext(long)
 @ stdcall wglGetCurrentContext()
 @ stdcall wglGetCurrentDC()
 @ stdcall wglMakeCurrent(long long)