diff --git a/bsd-snprintf.h b/bsd-snprintf.h
index 2946c6613..ed7a21c97 100644
--- a/bsd-snprintf.h
+++ b/bsd-snprintf.h
@@ -6,7 +6,7 @@
 #include <sys/types.h> /* For size_t */
 
 #ifndef HAVE_SNPRINTF
-int snprintf(char *str, size_t count, const char *fmt, ...)
+int snprintf(char *str, size_t count, const char *fmt, ...);
 #endif /* !HAVE_SNPRINTF */
 
 #ifndef HAVE_VSNPRINTF