diff --git a/src/she/CMakeLists.txt b/src/she/CMakeLists.txt
index 4909ff1..02fa145 100644
--- a/src/she/CMakeLists.txt
+++ b/src/she/CMakeLists.txt
@@ -23,2 +23,3 @@ if(USE_ALLEG4_BACKEND)
     add_definitions(-DUSE_MOUSE_POLLER)
+    add_definitions(-DALLEGRO_NO_FIX_ALIASES)
   endif()