1 files changed, 1 insertions, 0 deletions
diff --git a/src/cerberus.h b/src/cerberus.h
index 86dd2a2..566e149 100644
--- a/src/cerberus.h
+++ b/src/cerberus.h
@@ -18,6 +18,7 @@
  */
 #include <stdio.h>
 #include <unistd.h>
+#include <signal.h>
 
 #include "passphrase.h"
 #include "quit.h"