1 files changed, 1 insertions, 0 deletions

diff --git a/common.h b/common.h
index b3a287b..6566fd0 100644
--- a/common.h
+++ b/common.h
@@ -4,6 +4,7 @@
 
 #include "libglitter.h"
 #include <alloca.h>
+#include <math.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <stdlib.h>