diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9cda9e0..3bf5839 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -27,10 +27,10 @@ link_libraries(${X11_LIBRARIES})
 add_custom_command(
     OUTPUT ".gresource.c"
     COMMAND glib-compile-resources
-    ARGS "--target" "${CMAKE_BINARY_DIR}/.gresource.c" "--generate-source" "--sourcedir" "${CMAKE_SOURCE_DIR}/src" "${CMAKE_SOURCE_DIR}/src/.gresource.xml"
+    ARGS "--target" "${CMAKE_CURRENT_BINARY_DIR}/.gresource.c" "--generate-source" "--sourcedir" "${CMAKE_CURRENT_SOURCE_DIR}/src" "${CMAKE_CURRENT_SOURCE_DIR}/src/.gresource.xml"
     DEPENDS "src/.gresource.xml" "src/zenity.ui"
 )
-add_executable(zenity src/entry.c src/tree.c src/option.c src/util.c src/main.c "${CMAKE_BINARY_DIR}/.gresource.c")
+add_executable(zenity src/entry.c src/tree.c src/option.c src/util.c src/main.c "${CMAKE_CURRENT_BINARY_DIR}/.gresource.c")
 target_compile_definitions(zenity PRIVATE "-DG_LOG_DOMAIN=\"Zenity\"")
 
 # Install