diff --git a/spmenu.c b/spmenu.c
index 06c2d70..d3f7abd 100644
--- a/spmenu.c
+++ b/spmenu.c
@@ -7,6 +7,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <locale.h>
+#include <math.h>
 #include <unistd.h>
 #include "libs/main.c"