diff --git a/external/st_audiofile/CMakeLists.txt b/external/st_audiofile/CMakeLists.txt
index 8ce6cfbd..e3349676 100644
--- a/external/st_audiofile/CMakeLists.txt
+++ b/external/st_audiofile/CMakeLists.txt
@@ -29,7 +29,8 @@ set(WAVPACK_ENABLE_LIBCRYPTO OFF)
 set(WAVPACK_INSTALL_CMAKE_MODULE OFF)
 set(WAVPACK_INSTALL_DOCS OFF)
 set(WAVPACK_INSTALL_PKGCONFIG_MODULE OFF)
-if(PROJECT_SYSTEM_PROCESSOR MATCHES "(arm.*)")
+# FIXME: remove when WavPack updates their build script
+if(APPLE AND PROJECT_SYSTEM_PROCESSOR MATCHES "(arm.*)")
     SET(WAVPACK_ENABLE_ASM OFF)
 endif()