diff --git a/src/plugins/projectexplorer/projectexplorer.pro b/src/plugins/projectexplorer/projectexplorer.pro
index cc627949611..0eb977404e3 100644
--- a/src/plugins/projectexplorer/projectexplorer.pro
+++ b/src/plugins/projectexplorer/projectexplorer.pro
@@ -136,3 +136,9 @@ DEFINES += PROJECTEXPLORER_LIBRARY
 OTHER_FILES += ProjectExplorer.pluginspec
 
 mac:LIBS += -framework Carbon
+
+SUPPORT_QT_S60 = $$(QTCREATOR_WITH_S60)
+!isEmpty(SUPPORT_QT_S60) {
+    message("Adding experimental support for Qt/S60 applications.")
+    DEFINES += QTCREATOR_WITH_S60
+}