1 files changed, 3 insertions, 2 deletions
diff --git a/setup.c b/setup.c
index e61458a7d0..da0d8c80ba 100644
--- a/setup.c
+++ b/setup.c
@@ -216,8 +216,9 @@ static const char *prefix_pathspec(const char *prefix, int prefixlen, const char
 				die("Invalid pathspec magic '%.*s' in '%s'",
 				    (int) len, copyfrom, elt);
 		}
-		if (*copyfrom == ')')
-			copyfrom++;
+		if (*copyfrom != ')')
+			die("Missing ')' at the end of pathspec magic in '%s'", elt);
+		copyfrom++;
 	} else {
 		/* shorthand */
 		for (copyfrom = elt + 1;