diff --git a/pritest.c b/pritest.c
index 322453d..c2fbfdc 100644
--- a/pritest.c
+++ b/pritest.c
@@ -41,7 +41,7 @@
 #include <sys/ioctl.h>
 #include <stdlib.h>
 #include <unistd.h>
-#include <sys/signal.h>
+#include <signal.h>
 #include <sys/select.h>
 #include <sys/wait.h>
 #include <sys/resource.h>
diff --git a/testprilib.c b/testprilib.c
index 3173a02..c7ad391 100644
--- a/testprilib.c
+++ b/testprilib.c
@@ -41,7 +41,7 @@
 #include <sys/ioctl.h>
 #include <stdlib.h>
 #include <unistd.h>
-#include <sys/signal.h>
+#include <signal.h>
 #include <sys/select.h>
 #include <sys/wait.h>
 #include <sys/resource.h>