1 files changed, 2 insertions, 2 deletions

diff --git a/src/coding.c b/src/coding.c
index 7e9a497f1e5..93726169585 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -1898,7 +1898,7 @@ detect_coding_emacs_mule (coding, detect_info)
    value 0.  */
 
 #define DECODE_EMACS_MULE_COMPOSITION_CHAR(buf)                 \
-  if (1)                                                        \
+  do                                                            \
     {                                                           \
       int c;                                                    \
       int nbytes, nchars;                                       \
@@ -1916,7 +1916,7 @@ detect_coding_emacs_mule (coding, detect_info)
       src += nbytes;                                            \
       consumed_chars += nchars;                                 \
     }                                                           \
-  else
+  while (0)
 
 
 /* Decode a composition rule represented as a component of composition