diff --git a/auto/src/glewinfo_tail.c b/auto/src/glewinfo_tail.c
index 95c7ed1..ad5f530 100644
--- a/auto/src/glewinfo_tail.c
+++ b/auto/src/glewinfo_tail.c
@@ -195,7 +195,6 @@ GLboolean glewCreateContext (struct createParams* params)
     int contextAttrs[20];
     int i;
 
-    extern GLenum GLEWAPIENTRY wglewContextInit();
     wglewContextInit();
 
     if (!wglewGetExtension("WGL_ARB_create_context_profile"))
diff --git a/auto/src/wglew_tail.h b/auto/src/wglew_tail.h
index 9bbe945..0e38466 100644
--- a/auto/src/wglew_tail.h
+++ b/auto/src/wglew_tail.h
@@ -17,6 +17,8 @@ GLEWAPI GLboolean GLEWAPIENTRY wglewContextIsSupported (const WGLEWContext *ctx,
 #define WGLEW_GET_VAR(x) (*(const GLboolean*)&x)
 #define WGLEW_GET_FUN(x) x
 
+GLEWAPI GLenum GLEWAPIENTRY wglewContextInit ();
+GLEWAPI GLboolean GLEWAPIENTRY wglewContextIsSupported (const char *name);
 GLEWAPI GLboolean GLEWAPIENTRY wglewIsSupported (const char *name);
 
 #endif /* GLEW_MX */