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Diffstat (limited to 'iconvdata/iso646.c')
-rw-r--r--iconvdata/iso646.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/iconvdata/iso646.c b/iconvdata/iso646.c
index 29a452d112..af1479a347 100644
--- a/iconvdata/iso646.c
+++ b/iconvdata/iso646.c
@@ -42,7 +42,7 @@
 #define DEFINE_FINI		0
 #define MIN_NEEDED_FROM		1
 #define MIN_NEEDED_TO		4
-#define FROM_DIRECTION		dir == from_iso646
+#define FROM_DIRECTION		(dir == from_iso646)
 #define PREPARE_LOOP \
   enum direction dir = ((struct iso646_data *) step->data)->dir;	      \
   enum variant var = ((struct iso646_data *) step->data)->var;