1 files changed, 1 insertions, 1 deletions

diff --git a/util-linux/ipcrm.c b/util-linux/ipcrm.c
index 5dcda859a..5e18c2846 100644
--- a/util-linux/ipcrm.c
+++ b/util-linux/ipcrm.c
@@ -122,7 +122,7 @@ int ipcrm_main(int argc, char **argv)
         while ((c = getopt(argc, argv, "q:m:s:Q:M:S:h?")) != -1) {
                 int result;
                 int id = 0;
-                int iskey = (isupper)(c);
+                int iskey = isupper(c);
 
                 /* needed to delete semaphores */
                 union semun arg;