--- a/QTfrontend/CMakeLists.txt	Sat Jul 28 13:15:59 2018 +0200
+++ b/QTfrontend/CMakeLists.txt	Sat Jul 28 12:58:12 2018 -0400
@@ -94,7 +94,7 @@
     campaign.cpp
     ui_hwform.cpp
     ${CMAKE_CURRENT_BINARY_DIR}/hwconsts.cpp
-    ${CMAKE_CURRENT_BINARY_DIR}/sdlkeys.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/sdlkeys.cpp
     )
 
 if(MINGW)