diff --git a/conductor.cpp b/conductor.cpp
index bdd6c55a1..35dd4f4e0 100644
--- a/conductor.cpp
+++ b/conductor.cpp
@@ -16,6 +16,7 @@
 	along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
 */
 #include <QtDebug>
+#include <limits>
 #include "conductor.h"
 #include "conductorsegment.h"
 #include "conductorsegmentprofile.h"
diff --git a/qetapp.cpp b/qetapp.cpp
index 6668fd2a4..5b46e9681 100644
--- a/qetapp.cpp
+++ b/qetapp.cpp
@@ -18,6 +18,7 @@
 #include "qetapp.h"
 #include "qetdiagrameditor.h"
 #include "qetelementeditor.h"
+#include <cstdlib>
 #include <iostream>
 #define QUOTE(x) STRINGIFY(x)
 #define STRINGIFY(x) #x