diff --git a/src/Magnum/Platform/CMakeLists.txt b/src/Magnum/Platform/CMakeLists.txt
index a22eb719d..89f348dfc 100644
--- a/src/Magnum/Platform/CMakeLists.txt
+++ b/src/Magnum/Platform/CMakeLists.txt
@@ -580,7 +580,7 @@ if(NEED_EGLCONTEXT OR WITH_EGLCONTEXT)
     if(WITH_EGLCONTEXT)
         add_library(MagnumEglContext STATIC
             $<TARGET_OBJECTS:MagnumEglContextObjects>
-            dummy.cpp) # XCode workaround, see file comment for details
+            ../dummy.cpp) # XCode workaround, see file comment for details
         set_target_properties(MagnumEglContext PROPERTIES DEBUG_POSTFIX "-d")
         if(BUILD_STATIC_PIC)
             set_target_properties(MagnumEglContext PROPERTIES POSITION_INDEPENDENT_CODE ON)