diff --git a/rostests/winetests/setupapi/CMakeLists.txt b/rostests/winetests/setupapi/CMakeLists.txt
index de329a9dfaa..a703a98727f 100644
--- a/rostests/winetests/setupapi/CMakeLists.txt
+++ b/rostests/winetests/setupapi/CMakeLists.txt
@@ -17,5 +17,5 @@ add_importlibs(setupapi_winetest advapi32 setupapi user32 msvcrt kernel32)
 add_cd_file(TARGET setupapi_winetest DESTINATION reactos/bin FOR all)
 
 if(NOT MSVC)
-    add_target_compile_flags(setupapi_winetest "-Wno-format")
+    add_target_compile_flags(setupapi_winetest "-Wno-error=format")
 endif()
diff --git a/rostests/winetests/winmm/CMakeLists.txt b/rostests/winetests/winmm/CMakeLists.txt
index 914ee71e4ae..4f6743c0279 100644
--- a/rostests/winetests/winmm/CMakeLists.txt
+++ b/rostests/winetests/winmm/CMakeLists.txt
@@ -17,5 +17,5 @@ add_importlibs(winmm_winetest winmm user32 msvcrt kernel32 ntdll)
 add_cd_file(TARGET winmm_winetest DESTINATION reactos/bin FOR all)
 
 if(NOT MSVC)
-    add_target_compile_flags(winmm_winetest "-Wno-format -Wno-unused-but-set-variable")
+    add_target_compile_flags(winmm_winetest "-Wno-error=format -Wno-error=unused-but-set-variable")
 endif()
diff --git a/rostests/winetests/ws2_32/CMakeLists.txt b/rostests/winetests/ws2_32/CMakeLists.txt
index f09a62b7132..58bbfbc94c2 100644
--- a/rostests/winetests/ws2_32/CMakeLists.txt
+++ b/rostests/winetests/ws2_32/CMakeLists.txt
@@ -6,5 +6,4 @@ add_cd_file(TARGET ws2_32_winetest DESTINATION reactos/bin FOR all)
 
 if(NOT MSVC)
     add_target_compile_flags(ws2_32_winetest "-Wno-format")
-    allow_warnings(ws2_32_winetest)
 endif()