diff --git a/src/signal.cpp b/src/signal.cpp
index 525f2c0..3acba26 100644
--- a/src/signal.cpp
+++ b/src/signal.cpp
@@ -1,6 +1,8 @@
 #include <signal.h>
+
 #include <stdplus/signal.hpp>
 #include <stdplus/util/cexec.hpp>
+
 #include <system_error>
 
 namespace stdplus