diff --git a/ext/mbstring/mbstring.c b/ext/mbstring/mbstring.c
index 69d898f6053..618ec90e0e9 100644
--- a/ext/mbstring/mbstring.c
+++ b/ext/mbstring/mbstring.c
@@ -953,10 +953,13 @@ PHP_MINFO_FUNCTION(mbstring)
 		php_info_print_table_row(2, "HTTP input encoding translation", "enabled");	
 	}
 #if defined(HAVE_MBREGEX)
-	php_info_print_table_row(2, "Multibyte (japanese) regex support", "enabled");
-	sprintf(buf, "%d.%d.%d",
+	{
+		char buf[32];
+		php_info_print_table_row(2, "Multibyte (japanese) regex support", "enabled");
+		sprintf(buf, "%d.%d.%d",
 			ONIGURUMA_VERSION_MAJOR,ONIGURUMA_VERSION_MINOR,ONIGURUMA_VERSION_TEENY);
-	php_info_print_table_row(2, "Multibyte regex (oniguruma) version", buf);	
+		php_info_print_table_row(2, "Multibyte regex (oniguruma) version", buf);
+	}
 #endif
 	php_info_print_table_end();