diff --git a/core/imgread/common.h b/core/imgread/common.h
index fd23b8739..aecdc4a17 100644
--- a/core/imgread/common.h
+++ b/core/imgread/common.h
@@ -299,4 +299,4 @@ struct RawTrackFile : TrackFile
 
 DiscType GuessDiscType(bool m1, bool m2, bool da);
 
-extern void gd_setdisc()
+extern void gd_setdisc();