diff --git a/CMakeLists.txt b/CMakeLists.txt
index d8cdcd41d..92bc57ac0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -27,7 +27,7 @@ cmake_minimum_required(VERSION 2.8.9)
 project(Magnum)
 
 # Find Corrade first so we can check on the target
-set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/modules/")
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/modules/")
 find_package(Corrade REQUIRED)
 
 include(CMakeDependentOption)
diff --git a/doc/generated/CMakeLists.txt b/doc/generated/CMakeLists.txt
index 1da6f273f..a093f58c6 100644
--- a/doc/generated/CMakeLists.txt
+++ b/doc/generated/CMakeLists.txt
@@ -26,7 +26,7 @@
 cmake_minimum_required(VERSION 2.8.9)
 project(MyApplication)
 
-set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/../../modules/")
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/../../modules/")
 
 find_package(Magnum REQUIRED
     MeshTools
diff --git a/doc/getting-started.dox b/doc/getting-started.dox
index 3429e7df3..efb0a01df 100644
--- a/doc/getting-started.dox
+++ b/doc/getting-started.dox
@@ -86,7 +86,7 @@ subdirectory.
 cmake_minimum_required(VERSION 2.8.9)
 project(MyApplication)
 
-set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/modules/")
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/modules/")
 
 add_subdirectory(src)
 @endcode
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 0a5df43d5..74c317338 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -47,7 +47,7 @@ include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR} ${CO
 # We can use both implicit include path (GLES2/gl2.h) where our headers can
 # be overriden with system ones or explicit (MagnumExternal/OpenGL/GLES2/gl2ext.h)
 # where only our headers will be used
-include_directories(${CMAKE_SOURCE_DIR}/src/MagnumExternal/OpenGL)
+include_directories(${PROJECT_SOURCE_DIR}/src/MagnumExternal/OpenGL)
 
 add_subdirectory(MagnumExternal)
 add_subdirectory(Magnum)