1 files changed, 2 insertions, 2 deletions

diff --git a/src/composite.h b/src/composite.h
index 9026d03f7b6..ff48d15eb0c 100644
--- a/src/composite.h
+++ b/src/composite.h
@@ -112,7 +112,7 @@ composition_registered_p (Lisp_Object prop)
     gref = (rule_code) / 12;                                            \
     if (gref > 12) gref = 11;                                           \
     nref = (rule_code) % 12;                                            \
-  } while (0)
+  } while (false)
 
 /* Like COMPOSITION_DECODE_REFS (RULE_CODE, GREF, NREF), but also
    decode RULE_CODE into XOFF and YOFF (vertical offset).  */
@@ -122,7 +122,7 @@ composition_registered_p (Lisp_Object prop)
     xoff = (rule_code) >> 16;                                           \
     yoff = ((rule_code) >> 8) & 0xFF;                                   \
     COMPOSITION_DECODE_REFS (rule_code, gref, nref);                    \
-  } while (0)
+  } while (false)
 
 /* Nonzero if the global reference point GREF and new reference point NREF are
    valid.  */