diff --git a/src/mac/brush.cpp b/src/mac/brush.cpp
index 36703d2cc7..5c87256763 100644
--- a/src/mac/brush.cpp
+++ b/src/mac/brush.cpp
@@ -65,8 +65,13 @@ wxBrush::wxBrush(const wxBitmap& stipple)
 {
     m_refData = new wxBrushRefData;
 
-    M_BRUSHDATA->m_style = wxSTIPPLE;
+    M_BRUSHDATA->m_colour = *wxBLACK;
     M_BRUSHDATA->m_stipple = stipple;
+    
+    if (M_BRUSHDATA->m_stipple.GetMask())
+        M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE;
+    else
+        M_BRUSHDATA->m_style = wxSTIPPLE;
 
     RealizeResource();
 }
diff --git a/src/mac/carbon/brush.cpp b/src/mac/carbon/brush.cpp
index 36703d2cc7..5c87256763 100644
--- a/src/mac/carbon/brush.cpp
+++ b/src/mac/carbon/brush.cpp
@@ -65,8 +65,13 @@ wxBrush::wxBrush(const wxBitmap& stipple)
 {
     m_refData = new wxBrushRefData;
 
-    M_BRUSHDATA->m_style = wxSTIPPLE;
+    M_BRUSHDATA->m_colour = *wxBLACK;
     M_BRUSHDATA->m_stipple = stipple;
+    
+    if (M_BRUSHDATA->m_stipple.GetMask())
+        M_BRUSHDATA->m_style = wxSTIPPLE_MASK_OPAQUE;
+    else
+        M_BRUSHDATA->m_style = wxSTIPPLE;
 
     RealizeResource();
 }