diff --git a/OdfFile/Writer/Converter/ConvertDrawing.cpp b/OdfFile/Writer/Converter/ConvertDrawing.cpp
index c382290986..4e78643d96 100644
--- a/OdfFile/Writer/Converter/ConvertDrawing.cpp
+++ b/OdfFile/Writer/Converter/ConvertDrawing.cpp
@@ -1049,6 +1049,7 @@ void OoxConverter::convert(PPTX::Logic::PrstGeom *oox_geom)
 	{
 		odf_context()->drawing_context()->set_viewBox(21600, 21600);
 		odf_context()->drawing_context()->set_path(L"U 10800 10800 10800 10800 0 360 Z N");
+		odf_context()->drawing_context()->set_draw_type(L"circle");
 		return;
 	}
 
diff --git a/OdfFile/Writer/Format/odf_drawing_context.cpp b/OdfFile/Writer/Format/odf_drawing_context.cpp
index 1853335edd..66dd77734e 100644
--- a/OdfFile/Writer/Format/odf_drawing_context.cpp
+++ b/OdfFile/Writer/Format/odf_drawing_context.cpp
@@ -219,6 +219,8 @@ struct odf_drawing_state
 
 		flipH_ = flipV_ = false;
 
+		draw_type_ = boost::none;
+
 	}
 	std::vector<odf_element_state>	elements_;
 
@@ -230,6 +232,8 @@ struct odf_drawing_state
 	_CP_OPT(double) cx_;
 	_CP_OPT(double) cy_;
 
+	_CP_OPT(std::wstring) draw_type_;
+
 	bool flipH_;
 	bool flipV_;
 
@@ -1115,6 +1119,10 @@ void odf_drawing_context::end_shape()
 		{
 			text_shape = true;
 		}
+		else if (impl_->current_drawing_state_.draw_type_)
+		{
+			sub_type = *impl_->current_drawing_state_.draw_type_;
+		}
 		//else
 		//{
 		//	sub_type = L"polyline";
@@ -1712,6 +1720,11 @@ void odf_drawing_context::add_handle (std::wstring x, std::wstring y, std::wstri
 	impl_->current_drawing_state_.oox_shape_->handles.push_back(h);
 }
 
+void odf_drawing_context::set_draw_type(const std::wstring& draw_type)
+{
+	impl_->current_drawing_state_.draw_type_ = draw_type;
+}
+
 void odf_drawing_context::add_formula (std::wstring name, std::wstring fmla)
 {
 	if (!impl_->current_drawing_state_.oox_shape_) return;
diff --git a/OdfFile/Writer/Format/odf_drawing_context.h b/OdfFile/Writer/Format/odf_drawing_context.h
index a417484a08..c38725eb43 100644
--- a/OdfFile/Writer/Format/odf_drawing_context.h
+++ b/OdfFile/Writer/Format/odf_drawing_context.h
@@ -208,6 +208,7 @@ public:
 	void set_textarea		(std::wstring l, std::wstring t, std::wstring r, std::wstring b);
 	void add_handle			(std::wstring x, std::wstring y, std::wstring refX, std::wstring refY,
 							std::wstring minX, std::wstring maxX, std::wstring minY, std::wstring maxY);
+	void set_draw_type		(const std::wstring& draw_type);
 	
 	void set_viewBox		(double W, double H);