diff --git a/3rdparty/kdsingleapplication/CMakeLists.txt b/3rdparty/kdsingleapplication/CMakeLists.txt
index abc6e786b..e2ce7408a 100644
--- a/3rdparty/kdsingleapplication/CMakeLists.txt
+++ b/3rdparty/kdsingleapplication/CMakeLists.txt
@@ -3,7 +3,9 @@ set(SOURCES KDSingleApplication/src/kdsingleapplication.cpp KDSingleApplication/
 set(HEADERS KDSingleApplication/src/kdsingleapplication.h KDSingleApplication/src/kdsingleapplication_localsocket_p.h)
 qt_wrap_cpp(MOC ${HEADERS})
 add_library(kdsingleapplication STATIC ${SOURCES} ${MOC})
-target_compile_options(kdsingleapplication PRIVATE -Wno-missing-declarations)
+if(NOT MSVC)
+  target_compile_options(kdsingleapplication PRIVATE -Wno-missing-declarations)
+endif()
 target_compile_definitions(kdsingleapplication PRIVATE -DKDSINGLEAPPLICATION_STATIC_BUILD)
 target_include_directories(kdsingleapplication PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
 target_link_libraries(kdsingleapplication PUBLIC Qt${QT_VERSION_MAJOR}::Core Qt${QT_VERSION_MAJOR}::Network)
diff --git a/ext/libstrawberry-tagreader/CMakeLists.txt b/ext/libstrawberry-tagreader/CMakeLists.txt
index 8f6b7aecd..790cd2b7f 100644
--- a/ext/libstrawberry-tagreader/CMakeLists.txt
+++ b/ext/libstrawberry-tagreader/CMakeLists.txt
@@ -21,7 +21,9 @@ endif()
 
 add_library(libstrawberry-tagreader STATIC ${PROTO_SOURCES} ${SOURCES})
 
-target_compile_options(libstrawberry-tagreader PRIVATE -Wno-missing-declarations)
+if(NOT MSVC)
+  target_compile_options(libstrawberry-tagreader PRIVATE -Wno-missing-declarations)
+endif()
 
 target_include_directories(libstrawberry-tagreader SYSTEM PRIVATE
   ${GLIB_INCLUDE_DIRS}