diff --git a/src/meshTools/directMapped/directMappedPolyPatch/directMappedPolyPatch.C b/src/meshTools/directMapped/directMappedPolyPatch/directMappedPolyPatch.C
index 03e601a39..e6333a42c 100644
--- a/src/meshTools/directMapped/directMappedPolyPatch/directMappedPolyPatch.C
+++ b/src/meshTools/directMapped/directMappedPolyPatch/directMappedPolyPatch.C
@@ -25,6 +25,7 @@ License
 
 #include "directMappedPolyPatch.H"
 #include "addToRunTimeSelectionTable.H"
+#include "objectRegistry.H"
 #include "Time.H"
 #include "polyMesh.H"
 #include "polyBoundaryMesh.H"
diff --git a/src/meshTools/directMapped/directMappedPolyPatch/directMappedWallPolyPatch.C b/src/meshTools/directMapped/directMappedPolyPatch/directMappedWallPolyPatch.C
index 3bce4e694..691ad43fe 100644
--- a/src/meshTools/directMapped/directMappedPolyPatch/directMappedWallPolyPatch.C
+++ b/src/meshTools/directMapped/directMappedPolyPatch/directMappedWallPolyPatch.C
@@ -25,6 +25,7 @@ License
 
 #include "directMappedWallPolyPatch.H"
 #include "addToRunTimeSelectionTable.H"
+#include "objectRegistry.H"
 #include "Time.H"
 #include "polyMesh.H"
 #include "polyBoundaryMesh.H"