diff --git a/StgSharp.C/StgSharpC.c b/StgSharp.C/StgSharpC.c
index fc1972ed..43fa0bbd 100644
--- a/StgSharp.C/StgSharpC.c
+++ b/StgSharp.C/StgSharpC.c
@@ -4,7 +4,7 @@
 #include <stdio.h>
 #include <string.h>
 
-GladGLContext *currentContext;
+extern GladGLContext *currentContext;
 extern char infolog[512];
 
 SSCAPI int SSCDECL glCheckShaderStat(GladGLContext *context, uint64_t shaderHandle, int key,