diff --git a/src/framebuffer.c b/src/framebuffer.c
index 67eba98..b1efa38 100644
--- a/src/framebuffer.c
+++ b/src/framebuffer.c
@@ -5,6 +5,8 @@
 #include "drawing.h"
 
 
+HeliArray heliDrawingFramebuffersToFlush;
+
 typedef struct _HeliFramebufferDesc {
 	unsigned int texture_id;
 	unsigned int renderbuffer_id;
diff --git a/src/private.h b/src/private.h
index e7301d7..48a2222 100644
--- a/src/private.h
+++ b/src/private.h
@@ -208,7 +208,7 @@ typedef struct _HeliDrawingState {
 	HeliGLCommonState glState;
 } HeliDrawingState;
 
-HeliArray heliDrawingFramebuffersToFlush;
+extern HeliArray heliDrawingFramebuffersToFlush;
 
 HeliDrawingState *heliDrawingGetState();
 HeliDrawingState *heliDrawingGetStateStack();