diff --git a/re.c b/re.c
index 1ceb6eaaf1..3e53982912 100644
--- a/re.c
+++ b/re.c
@@ -1467,7 +1467,7 @@ rb_reg_search0(VALUE re, VALUE str, long pos, int reverse, int set_backref_str)
 long
 rb_reg_search(VALUE re, VALUE str, long pos, int reverse)
 {
-	return rb_reg_search0(re, str, pos, reverse, 1);
+    return rb_reg_search0(re, str, pos, reverse, 1);
 }
 
 VALUE