diff --git a/src/tools/clangrefactoringbackend/source/sourcelocationsutils.h b/src/tools/clangrefactoringbackend/source/sourcelocationsutils.h
index 45bc71fdb45..c4fc1bf645b 100644
--- a/src/tools/clangrefactoringbackend/source/sourcelocationsutils.h
+++ b/src/tools/clangrefactoringbackend/source/sourcelocationsutils.h
@@ -29,6 +29,7 @@
 #include <sourcelocationscontainer.h>
 #include <sourcerangescontainer.h>
 
+#include <clang/Basic/FileManager.h>
 #include <clang/Basic/SourceManager.h>
 #include <clang/Lex/Lexer.h>
 #include <llvm/Support/FileSystem.h>
diff --git a/src/tools/clangrefactoringbackend/source/symbolsvisitorbase.h b/src/tools/clangrefactoringbackend/source/symbolsvisitorbase.h
index 7b63cb223ec..d5a609315ec 100644
--- a/src/tools/clangrefactoringbackend/source/symbolsvisitorbase.h
+++ b/src/tools/clangrefactoringbackend/source/symbolsvisitorbase.h
@@ -34,6 +34,7 @@
 #include <utils/linecolumn.h>
 #include <utils/optional.h>
 
+#include <clang/Basic/FileManager.h>
 #include <clang/Basic/SourceLocation.h>
 #include <clang/Basic/SourceManager.h>
 #include <clang/Index/USRGeneration.h>