diff --git a/lib/cppcheck.cpp b/lib/cppcheck.cpp
index 4c3bcb7d0b6..f05cdfc8248 100644
--- a/lib/cppcheck.cpp
+++ b/lib/cppcheck.cpp
@@ -430,8 +430,11 @@ unsigned int CppCheck::checkClang(const FileWithDetails &file)
         mErrorLogger.reportOut(std::string("Checking ") + file.spath() + " ...", Color::FgGreen);
 
     // TODO: get language from FileWithDetails object
-    // TODO: this ignores the configured language
-    const bool isCpp = Path::identify(file.spath(), mSettings.cppHeaderProbe) == Standards::Language::CPP;
+    bool isCpp;
+    if (mSettings.enforcedLang != Standards::None)
+        isCpp = (mSettings.enforcedLang == Standards::CPP);
+    else
+        isCpp = Path::identify(file.spath(), mSettings.cppHeaderProbe) == Standards::Language::CPP;
     const std::string langOpt = isCpp ? "-x c++" : "-x c";
     const std::string analyzerInfo = mSettings.buildDir.empty() ? std::string() : AnalyzerInformation::getAnalyzerInfoFile(mSettings.buildDir, file.spath(), emptyString);
     const std::string clangcmd = analyzerInfo + ".clang-cmd";
diff --git a/test/cli/clang-import_test.py b/test/cli/clang-import_test.py
index 93dd1d8213c..8a4ec144099 100644
--- a/test/cli/clang-import_test.py
+++ b/test/cli/clang-import_test.py
@@ -185,12 +185,10 @@ def test_cmd_def(tmp_path):
     __test_cmd(tmp_path, 'test.cpp',['-DDEF'], '-x c++ -DDEF=1')
 
 
-@pytest.mark.xfail(strict=True)
 def test_cmd_enforce_c(tmp_path):  # #13128
     __test_cmd(tmp_path, 'test.cpp',['-x', 'c'], '-x c')
 
 
-@pytest.mark.xfail(strict=True)
 def test_cmd_enforce_cpp(tmp_path):  # #13128
     __test_cmd(tmp_path, 'test.c',['-x', 'c++'], '-x c++')