diff --git a/src/tools/clangbackend/ipcsource/highlightingmark.cpp b/src/tools/clangbackend/ipcsource/highlightingmark.cpp
index e903a1d2d38..003241386d6 100644
--- a/src/tools/clangbackend/ipcsource/highlightingmark.cpp
+++ b/src/tools/clangbackend/ipcsource/highlightingmark.cpp
@@ -363,6 +363,7 @@ HighlightingType HighlightingMark::punctuationKind(const Cursor &cursor)
 {
     switch (cursor.kind()) {
         case CXCursor_DeclRefExpr: return operatorKind(cursor);
+        case CXCursor_Constructor:
         case CXCursor_CallExpr:    collectOutputArguments(cursor);
         default:                   return HighlightingType::Invalid;
     }
diff --git a/tests/unit/unittest/data/highlightingmarks.cpp b/tests/unit/unittest/data/highlightingmarks.cpp
index 3d3d5c51890..0496b60fa9d 100644
--- a/tests/unit/unittest/data/highlightingmarks.cpp
+++ b/tests/unit/unittest/data/highlightingmarks.cpp
@@ -539,3 +539,12 @@ void f31()
 
     NonConstReferenceArgumentConstructor copy(instance);
 }
+
+struct NonConstReferenceMemberInitialization
+{
+    NonConstReferenceMemberInitialization(int &foo)
+        : foo(foo)
+    {}
+
+    int &foo;
+};
diff --git a/tests/unit/unittest/highlightingmarks-test.cpp b/tests/unit/unittest/highlightingmarks-test.cpp
index 51a380381e8..e93b8059974 100644
--- a/tests/unit/unittest/highlightingmarks-test.cpp
+++ b/tests/unit/unittest/highlightingmarks-test.cpp
@@ -1080,6 +1080,16 @@ TEST_F(HighlightingMarks, DISABLED_NonConstReferenceArgumentConstructor)
                 HasTwoTypes(HighlightingType::LocalVariable, HighlightingType::OutputArgument));
 }
 
+TEST_F(HighlightingMarks, DISABLED_NonConstReferenceMemberInitialization)
+{
+    const auto infos = translationUnit.highlightingMarksInRange(sourceRange(546, 19));
+
+    infos[2];
+
+    ASSERT_THAT(infos[3],
+                HasTwoTypes(HighlightingType::LocalVariable, HighlightingType::OutputArgument));
+}
+
 TEST_F(HighlightingMarks, DISABLED_EnumerationTypeDef)
 {
     const auto infos = translationUnit.highlightingMarksInRange(sourceRange(424, 41));