diff --git a/src/ChangeLog b/src/ChangeLog
index a32558a2ac7..c962fe04af6 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2010-04-15  Dan Nicolaescu  <dann@ics.uci.edu>
+
+	* frame.h (FRAME_SAMPLE_VISIBILITY): Remove unused 0 in comma expression.
+
 2010-04-14  Dan Nicolaescu  <dann@ics.uci.edu>
 
 	Reduce cpp use in Makefile.in.
diff --git a/src/frame.h b/src/frame.h
index 36b0b6b069c..8f563ca9d77 100644
--- a/src/frame.h
+++ b/src/frame.h
@@ -793,7 +793,7 @@ typedef struct frame *FRAME_PTR;
 
 #define FRAME_SAMPLE_VISIBILITY(f) \
   (((f)->async_visible && (f)->visible != (f)->async_visible) ? \
-   SET_FRAME_GARBAGED (f) : 0, \
+   SET_FRAME_GARBAGED (f) : \
    (f)->visible = (f)->async_visible, \
    (f)->iconified = (f)->async_iconified)