diff --git a/tests/unit/unittest/creator_dependency.pri b/tests/unit/unittest/creator_dependency.pri
index 35e76dbb451..0ad6f2e2c69 100644
--- a/tests/unit/unittest/creator_dependency.pri
+++ b/tests/unit/unittest/creator_dependency.pri
@@ -8,3 +8,5 @@ INCLUDEPATH += \
     $$PWD/../../../src/libs \
     $$PWD/../../../src/libs/3rdparty \
     $$PWD/../../../src/plugins
+
+DEFINES += QTC_REL_TOOLS_PATH=$$shell_quote(\"$$relative_path($$IDE_LIBEXEC_PATH, $$IDE_BIN_PATH)\")