--- a/QTfrontend/CMakeLists.txt	Fri Jul 27 00:00:04 2018 +0200
+++ b/QTfrontend/CMakeLists.txt	Fri Jul 27 12:45:10 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)