diff --git a/scwx-qt/scwx-qt.cmake b/scwx-qt/scwx-qt.cmake
index 6606c2ad..b218e6d1 100644
--- a/scwx-qt/scwx-qt.cmake
+++ b/scwx-qt/scwx-qt.cmake
@@ -635,7 +635,7 @@ if (WIN32)
     target_compile_definitions(supercell-wx PUBLIC WIN32_LEAN_AND_MEAN)
 endif()
 
-if (NOT MSVC)
+if (LINUX)
     # Qt emit keyword is incompatible with TBB
     target_compile_definitions(scwx-qt      PRIVATE QT_NO_EMIT)
     target_compile_definitions(supercell-wx PRIVATE QT_NO_EMIT)
diff --git a/wxdata/wxdata.cmake b/wxdata/wxdata.cmake
index 288da639..ab23a4e7 100644
--- a/wxdata/wxdata.cmake
+++ b/wxdata/wxdata.cmake
@@ -14,7 +14,7 @@ find_package(spdlog)
 
 check_cxx_symbol_exists(_LIBCPP_VERSION version LIBCPP)
 
-if (NOT MSVC)
+if (LINUX)
     find_package(TBB)
 endif()