1 files changed, 5 insertions, 8 deletions
diff --git a/Source/cmQtAutoGenInitializer.cxx b/Source/cmQtAutoGenInitializer.cxx
index e0795d2..1d7f6d1 100644
--- a/Source/cmQtAutoGenInitializer.cxx
+++ b/Source/cmQtAutoGenInitializer.cxx
@@ -520,19 +520,16 @@ bool cmQtAutoGenInitializer::InitMoc()
 
   // Moc includes
   {
-    // We need to disable this until we have all implicit includes available.
-    // See issue #18669.
-    // bool const appendImplicit = (this->QtVersion.Major >= 5);
-
+    bool const appendImplicit = (this->QtVersion.Major >= 5);
     auto GetIncludeDirs =
-      [this, localGen](std::string const& cfg) -> std::vector<std::string> {
-      bool const appendImplicit = false;
+      [this, localGen,
+       appendImplicit](std::string const& cfg) -> std::vector<std::string> {
       // Get the include dirs for this target, without stripping the implicit
       // include dirs off, see
       // https://gitlab.kitware.com/cmake/cmake/issues/13667
       std::vector<std::string> dirs;
-      localGen->GetIncludeDirectories(dirs, this->Target, "CXX", cfg, false,
-                                      appendImplicit);
+      localGen->GetIncludeDirectoriesImplicit(dirs, this->Target, "CXX", cfg,
+                                              false, appendImplicit);
       return dirs;
     };