diff --git a/src/common/rclinit.cpp b/src/common/rclinit.cpp
index b20c8ed5..587cbaaa 100644
--- a/src/common/rclinit.cpp
+++ b/src/common/rclinit.cpp
@@ -34,6 +34,7 @@
 #include "pathut.h"
 #include "unac.h"
 #include "smallut.h"
+#include "execmd.h"
 
 static pthread_t mainthread_id;
 
diff --git a/src/qtgui/rtitool.cpp b/src/qtgui/rtitool.cpp
index d03ffa90..f1f51ffd 100644
--- a/src/qtgui/rtitool.cpp
+++ b/src/qtgui/rtitool.cpp
@@ -19,6 +19,7 @@
 #include <stdio.h>
 #include "safesysstat.h"
 #include "safeunistd.h"
+#include <signal.h>
 
 #include <string>