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-rw-r--r--src/frame.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/frame.h b/src/frame.h
index 091b112e8b9..64d8a74f36e 100644
--- a/src/frame.h
+++ b/src/frame.h
@@ -1382,7 +1382,7 @@ FRAME_PARENT_FRAME (struct frame *f)
width of the frame by 4 because multi-byte form may require at most
4-byte for a character. */
-#define FRAME_MESSAGE_BUF_SIZE(f) (((int) FRAME_COLS (f)) * 4)
+#define FRAME_MESSAGE_BUF_SIZE(f) (4 * FRAME_COLS (f))
#define CHECK_FRAME(x) \
CHECK_TYPE (FRAMEP (x), Qframep, x)