diff --git a/Demos/BasicDemo/CMakeLists.txt b/Demos/BasicDemo/CMakeLists.txt
index 551ce5925..be7e84bed 100644
--- a/Demos/BasicDemo/CMakeLists.txt
+++ b/Demos/BasicDemo/CMakeLists.txt
@@ -56,6 +56,7 @@ LibOpenGLSupport  LibBulletDynamics  LibBulletCollision LibLinearMath    ${GLUT_
 )
 
 ADD_EXECUTABLE(BasicDemo
-	BasicDemo.cpp
+	main.cpp
+	BasicDemo.cpp 
 )
 
diff --git a/Demos/BspDemo/CMakeLists.txt b/Demos/BspDemo/CMakeLists.txt
index 1ebf50291..018015468 100644
--- a/Demos/BspDemo/CMakeLists.txt
+++ b/Demos/BspDemo/CMakeLists.txt
@@ -56,6 +56,7 @@ LINK_LIBRARIES(
 )
 
 ADD_EXECUTABLE(BspPhysicsDemo
+	main.cpp
 	BspDemo.cpp
 	BspLoader.cpp
 	BspConverter.cpp	
diff --git a/Demos/CcdPhysicsDemo/CMakeLists.txt b/Demos/CcdPhysicsDemo/CMakeLists.txt
index 148fcebbe..b30a05796 100644
--- a/Demos/CcdPhysicsDemo/CMakeLists.txt
+++ b/Demos/CcdPhysicsDemo/CMakeLists.txt
@@ -56,6 +56,7 @@ LibOpenGLSupport  LibBulletDynamics  LibBulletCollision LibLinearMath    ${GLUT_
 )
 
 ADD_EXECUTABLE(CcdPhysicsDemo
+	main.cpp
 	CcdPhysicsDemo.cpp
 )