diff --git a/clang-tools-extra/include-cleaner/tool/IncludeCleaner.cpp b/clang-tools-extra/include-cleaner/tool/IncludeCleaner.cpp
index 918f7c968ef90..008da47164092 100644
--- a/clang-tools-extra/include-cleaner/tool/IncludeCleaner.cpp
+++ b/clang-tools-extra/include-cleaner/tool/IncludeCleaner.cpp
@@ -108,10 +108,18 @@ class Action : public clang::ASTFrontendAction {
   }
 
   void EndSourceFile() override {
+    const auto &SM = getCompilerInstance().getSourceManager();
+    if (SM.getDiagnostics().hasUncompilableErrorOccurred()) {
+      llvm::errs()
+          << "Skipping file " << getCurrentFile()
+          << " due to compiler errors. clang-include-cleaner expects to "
+             "work on compilable source code.\n";
+      return;
+    }
+
     if (!HTMLReportPath.empty())
       writeHTML();
 
-    const auto &SM = getCompilerInstance().getSourceManager();
     auto &HS = getCompilerInstance().getPreprocessor().getHeaderSearchInfo();
     llvm::StringRef Path =
         SM.getFileEntryForID(SM.getMainFileID())->tryGetRealPathName();