diff --git a/CMakeLists.txt b/CMakeLists.txt
index 153b6aa..5c4352f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -63,6 +63,7 @@ target_compile_options(surge-common PRIVATE -Wno-sign-compare -Wno-ignored-quali
                        $<$<PLATFORM_ID:Darwin>:-Wno-self-assign>
                        $<$<PLATFORM_ID:Darwin>:-Wno-unused-lambda-capture>
                        $<$<PLATFORM_ID:Darwin>:-Wno-mismatched-tags>
+                       $<$<PLATFORM_ID:Darwin>:-Wno-unused-but-set-variable>
                        $<$<PLATFORM_ID:Darwin>:-Wno-infinite-recursion>)
 
 target_compile_options(surge-common PRIVATE $<$<STREQUAL:${CMAKE_OSX_ARCHITECTURES},arm64>:-faligned-allocation>)