diff --git a/plugins/GSdx/GSDeviceOGL.h b/plugins/GSdx/GSDeviceOGL.h
index 59dca31593..8c29ba4af1 100644
--- a/plugins/GSdx/GSDeviceOGL.h
+++ b/plugins/GSdx/GSDeviceOGL.h
@@ -232,7 +232,7 @@ public:
 		fprintf(stderr, "Stencil %s. Both pass op %s\n", NameOfParam(m_stencil_func), NameOfParam(m_stencil_spass_dpass_op));
 	}
 
-	bool IsMaskEnable() { return m_depth_mask; }
+	bool IsMaskEnable() { return m_depth_mask != GL_FALSE; }
 };
 
 class GSDeviceOGL : public GSDevice
diff --git a/plugins/GSdx/GSWndDX.cpp b/plugins/GSdx/GSWndDX.cpp
index a748394531..fe4de27128 100644
--- a/plugins/GSdx/GSWndDX.cpp
+++ b/plugins/GSdx/GSWndDX.cpp
@@ -83,6 +83,8 @@ bool GSWndDX::Create(const string& title, int w, int h)
 {
 	if(m_hWnd) return false;
 
+	m_managed = true;
+
 	WNDCLASS wc;
 
 	memset(&wc, 0, sizeof(wc));