diff --git a/src/propgrid/property.cpp b/src/propgrid/property.cpp
index 4d3adb326e..fc71763684 100644
--- a/src/propgrid/property.cpp
+++ b/src/propgrid/property.cpp
@@ -565,7 +565,7 @@ void wxPGProperty::InitAfterAdded( wxPropertyGridPageState* pageState,
         unsigned char depth = 1;
         if ( !parentIsRoot )
         {
-            depth = parent->m_depth;
+            depth = parent->GetDepth();
             if ( !parent->IsCategory() )
                 depth++;
         }
@@ -599,7 +599,7 @@ void wxPGProperty::InitAfterAdded( wxPropertyGridPageState* pageState,
         unsigned char depth = 1;
         if ( !parentIsRoot )
         {
-            depth = parent->m_depth + 1;
+            depth = parent->GetDepth() + 1;
         }
         m_depth = depth;
         m_depthBgCol = depth;
diff --git a/src/propgrid/propgridpagestate.cpp b/src/propgrid/propgridpagestate.cpp
index 4e5f01400f..4693fd358c 100644
--- a/src/propgrid/propgridpagestate.cpp
+++ b/src/propgrid/propgridpagestate.cpp
@@ -610,9 +610,9 @@ bool wxPropertyGridPageState::EnableCategories( bool enable )
             // then the depth stays the same.
             if ( parent->IsCategory() &&
                  !p->IsCategory() )
-                p->m_depth = parent->m_depth;
+                p->m_depth = parent->GetDepth();
             else
-                p->m_depth = parent->m_depth + 1;
+                p->m_depth = parent->GetDepth() + 1;
 
         ITEM_ITERATION_LOOP_END
 
@@ -641,7 +641,7 @@ bool wxPropertyGridPageState::EnableCategories( bool enable )
 
             p->m_parent = parent;
 
-            p->m_depth = parent->m_depth + 1;
+            p->m_depth = parent->GetDepth() + 1;
 
         ITEM_ITERATION_LOOP_END
     }