diff --git a/ui/irqbalance-ui.c b/ui/irqbalance-ui.c
index 74ba93c..75fc60f 100644
--- a/ui/irqbalance-ui.c
+++ b/ui/irqbalance-ui.c
@@ -3,6 +3,7 @@
 #include <errno.h>
 #include <netdb.h>
 #include <stdio.h>
+#include <string.h>
 #include <stdlib.h>
 #include <sys/socket.h>
 #include <sys/types.h>