3 files changed, 6 insertions, 0 deletions
diff --git a/src/resources/mapreader.cpp b/src/resources/mapreader.cpp
index bf6ecdce..dd95d611 100644
--- a/src/resources/mapreader.cpp
+++ b/src/resources/mapreader.cpp
@@ -28,6 +28,8 @@
 #include "../graphic/spriteset.h"
 #include "../base64.h"
 
+#include <cassert>
+
 #include <zlib.h>
 #include <iostream>
 
diff --git a/src/resources/resource.cpp b/src/resources/resource.cpp
index 3ff8064d..30e93f76 100644
--- a/src/resources/resource.cpp
+++ b/src/resources/resource.cpp
@@ -24,6 +24,8 @@
 #include "resource.h"
 #include "resourcemanager.h"
 
+#include <cassert>
+
 Resource::Resource():
     mRefCount(0)
 {
diff --git a/src/resources/resourcemanager.cpp b/src/resources/resourcemanager.cpp
index fc0c7f9f..8b846ffb 100644
--- a/src/resources/resourcemanager.cpp
+++ b/src/resources/resourcemanager.cpp
@@ -28,6 +28,8 @@
 #include <sstream>
 #include <physfs.h>
 
+#include <cassert>
+
 #ifdef WIN32
 #include <io.h>
 #include <direct.h>