diff --git a/util.c b/util.c
index b6a256f..d0f5d72 100644
--- a/util.c
+++ b/util.c
@@ -41,7 +41,7 @@ static void sigint_handler(int signum)
 
 void ctrlc_init(void)
 {
-#ifdef WIN32
+#if defined(WIN32) || defined(__CYGWIN__)
        signal(SIGINT, sigint_handler);
 #else
        const static struct sigaction siga = {