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-rw-r--r--Src/ztype.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/Src/ztype.h b/Src/ztype.h
index d1bef0a5a..b73e3f840 100644
--- a/Src/ztype.h
+++ b/Src/ztype.h
@@ -77,7 +77,7 @@
 #endif
 
 #if defined(__APPLE__) && defined(BROKEN_ISPRINT)
-#define ISPRINT(c)  isprint_ascii(c)
+#define ZISPRINT(c)  isprint_ascii(c)
 #else
-#define ISPRINT(c)  isprint(c)
+#define ZISPRINT(c)  isprint(c)
 #endif