diff --git a/CMakeLists.txt b/CMakeLists.txt
index 35e02325f3..e33f3dc34f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -92,8 +92,7 @@ if(USE_COMPILE_OPTIONS)
         EnTT
         INTERFACE $<$<AND:$<CONFIG:Debug>,$<NOT:$<PLATFORM_ID:Windows>>>:-O0 -g>
         # it seems that -O3 ruins a bit the performance when using clang ...
-        INTERFACE $<$<AND:$<CONFIG:Release>,$<CXX_COMPILER_ID:Clang>,$<PLATFORM_ID:Darwin>>:-O2>
-        INTERFACE $<$<AND:$<CONFIG:Release>,$<CXX_COMPILER_ID:Clang>,$<PLATFORM_ID:Linux>>:-O2>
+        INTERFACE $<$<AND:$<CONFIG:Release>,$<CXX_COMPILER_ID:Clang>,$<OR:$<PLATFORM_ID:Darwin>,$<PLATFORM_ID:Linux>>>:-O2>
         # ... on the other side, GCC is incredibly comfortable with it.
         INTERFACE $<$<AND:$<CONFIG:Release>,$<CXX_COMPILER_ID:GNU>>:-O3>
     )