diff --git a/src/effects/AutoDuck.cpp b/src/effects/AutoDuck.cpp
index 601d48b59..efe9e9f82 100644
--- a/src/effects/AutoDuck.cpp
+++ b/src/effects/AutoDuck.cpp
@@ -862,7 +862,8 @@ void EffectAutoDuckPanel::OnLeftDown(wxMouseEvent & evt)
       for (int i = 0; i < AUTO_DUCK_PANEL_NUM_CONTROL_POINTS; i++)
          mMoveStartControlPoints[i] = mControlPoints[i];
 
-      CaptureMouse();
+      if( !HasCapture() )
+         CaptureMouse();
    }
 }
 
diff --git a/src/toolbars/ToolBar.cpp b/src/toolbars/ToolBar.cpp
index 4fcf771bb..03e79d24c 100644
--- a/src/toolbars/ToolBar.cpp
+++ b/src/toolbars/ToolBar.cpp
@@ -168,7 +168,8 @@ void ToolBarResizer::OnLeftDown( wxMouseEvent & event )
    mOrigSize = mBar->GetSize();
 
    // We want all of the mouse events
-   CaptureMouse();
+   if( !HasCapture() )
+      CaptureMouse();
 }
 
 void ToolBarResizer::OnLeftUp( wxMouseEvent & event )
diff --git a/src/toolbars/ToolManager.cpp b/src/toolbars/ToolManager.cpp
index 780e820b5..080b8d3e4 100644
--- a/src/toolbars/ToolManager.cpp
+++ b/src/toolbars/ToolManager.cpp
@@ -1358,7 +1358,8 @@ void ToolManager::OnGrabber( GrabberEvent & event )
    }
 
    // We want all mouse events from this point on
-   mParent->CaptureMouse();
+   if( !mParent->HasCapture() )
+      mParent->CaptureMouse();
 
    // Start monitoring shift key changes
    mLastState = wxGetKeyState( WXK_SHIFT );
diff --git a/src/widgets/Ruler.cpp b/src/widgets/Ruler.cpp
index ac3f08932..166ca0eff 100644
--- a/src/widgets/Ruler.cpp
+++ b/src/widgets/Ruler.cpp
@@ -2526,7 +2526,8 @@ void AdornedRulerPanel::HandleQPClick(wxMouseEvent &evt, wxCoord mousePosX)
    // Check if we are dragging BEFORE CaptureMouse.
    if (mMouseEventState != mesNone)
       SetCursor(mCursorSizeWE);
-   CaptureMouse();
+   if ( !HasCapture() )
+      CaptureMouse();
 }
 
 void AdornedRulerPanel::HandleQPDrag(wxMouseEvent &event, wxCoord mousePosX)