diff --git a/plugins/clang/codecompletion/context.cpp b/plugins/clang/codecompletion/context.cpp
--- a/plugins/clang/codecompletion/context.cpp
+++ b/plugins/clang/codecompletion/context.cpp
@@ -1101,6 +1101,12 @@
                 continue;
             }
 
+            if (isOverloadCandidate && resultType.isEmpty() && parent.isEmpty()) {
+                // workaround: find constructor calls for non-namespaced classes
+                // TODO: return the namespaced class as parent in libclang
+                qid.push(id);
+            }
+
             auto found = findDeclaration(qid, ctx, m_position, isOverloadCandidate ? overloadsHandled : handled);
 
             CompletionTreeItemPointer item;
diff --git a/plugins/clang/tests/test_codecompletion.cpp b/plugins/clang/tests/test_codecompletion.cpp
--- a/plugins/clang/tests/test_codecompletion.cpp
+++ b/plugins/clang/tests/test_codecompletion.cpp
@@ -1172,7 +1172,6 @@
         std::sort(actualHints.begin(), actualHints.end());
         QEXPECT_FAIL("member function", "clang_getCompletionParent returns nothing, thus decl lookup fails", Continue);
         QEXPECT_FAIL("namespaced function", "clang_getCompletionParent returns nothing, thus decl lookup fails", Continue);
-        QEXPECT_FAIL("constructor", "clang_getCompletionParent returns nothing, thus decl lookup fails", Continue);
         QEXPECT_FAIL("namespaced constructor", "clang_getCompletionParent returns nothing, thus decl lookup fails", Continue);
         QCOMPARE(actualHints, hints);
     });