--- a/gfx/thebes/public/gfxTypes.h
+++ b/gfx/thebes/public/gfxTypes.h
@@ -41,17 +41,19 @@
 #include "prtypes.h"
 
 /**
  * Currently needs to be 'double' for Cairo compatibility. Could
  * become 'float', perhaps, in some configurations.
  */
 typedef double gfxFloat;
 
-#if defined(IMPL_THEBES)
+#if defined(MOZ_STATIC_BUILD)
+# define THEBES_API
+#elif defined(IMPL_THEBES)
 # define THEBES_API NS_EXPORT
 #else
 # define THEBES_API NS_IMPORT
 #endif
 
 /**
  * Define refcounting for Thebes.  For now use the stuff from nsISupportsImpl
  * even though it forces the functions to be virtual...