diff --git a/src/plugins/projectexplorer/CMakeLists.txt b/src/plugins/projectexplorer/CMakeLists.txt
index 1be0ea8a801..245b1c19db0 100644
--- a/src/plugins/projectexplorer/CMakeLists.txt
+++ b/src/plugins/projectexplorer/CMakeLists.txt
@@ -215,14 +215,14 @@ extend_qtc_plugin(ProjectExplorer
     jsonwizard/jsonwizard_test.cpp
     outputparser_test.cpp outputparser_test.h
 )
-
-file(GLOB_RECURSE test_resources RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} testdata/*)
-qt_add_resources(ProjectExplorer "testdata"
-    CONDITION WITH_TESTS
+if (WITH_TESTS)
+  file(GLOB_RECURSE test_resources RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} testdata/*)
+  qtc_add_resources(ProjectExplorer "testdata"
     PREFIX "/projectexplorer"
     BASE "."
     FILES ${test_resources}
-)
+  )
+endif()
 
 qtc_plugin_enabled(_projectexplorer_enabled ProjectExplorer)
 if (WITH_TESTS AND _projectexplorer_enabled)