diff --git a/libpixelflinger/include/pixelflinger/format.h b/libpixelflinger/include/pixelflinger/format.h
index 82eeca4..d429477 100644
--- a/libpixelflinger/include/pixelflinger/format.h
+++ b/libpixelflinger/include/pixelflinger/format.h
@@ -82,7 +82,7 @@
     GGL_INDEX_CR      = 2,
 };
 
-typedef struct {
+typedef struct GGLFormat {
 #ifdef __cplusplus
     enum {
         ALPHA   = GGL_INDEX_ALPHA,