diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index 0eee8db640..94519e93f2 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -377,7 +377,7 @@ jobs:
         cd build
 
         echo "::group::CMake"
-        cmake .. -G"MSYS Makefiles"
+        cmake .. -DOPTION_NO_WARN_UNINIT=1 -G"MSYS Makefiles"
         echo "::endgroup::"
 
         echo "::group::Build"
diff --git a/cmake/CompileFlags.cmake b/cmake/CompileFlags.cmake
index 56d9c475b0..fc4d21de70 100644
--- a/cmake/CompileFlags.cmake
+++ b/cmake/CompileFlags.cmake
@@ -158,6 +158,10 @@ macro(compile_flags)
                 endif()
             endif()
         endif()
+
+        if (OPTION_NO_WARN_UNINIT)
+            add_compile_options(-Wno-maybe-uninitialized -Wno-uninitialized)
+        endif (OPTION_NO_WARN_UNINIT)
     elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
         add_compile_options(
             -Wall