diff --git a/.gitignore b/.gitignore
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1 @@
 doc-gen/
-src/config.h
diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -80,7 +80,7 @@
 endif()
 
 configure_file("${CMAKE_CURRENT_SOURCE_DIR}/src/config.h.in"
-	"${CMAKE_CURRENT_SOURCE_DIR}/src/config.h")
+	"${CMAKE_CURRENT_BINARY_DIR}/src/config.h")
 
 # create a Config.cmake and a ConfigVersion.cmake file and install them
 set(CMAKECONFIG_INSTALL_DIR "${KDE_INSTALL_CMAKEPACKAGEDIR}/KF5I18n")