diff --git a/src/modules/graphics/opengl/Quad.cpp b/src/modules/graphics/opengl/Quad.cpp
index 0f88292b8..635b2269a 100644
--- a/src/modules/graphics/opengl/Quad.cpp
+++ b/src/modules/graphics/opengl/Quad.cpp
@@ -33,7 +33,7 @@ namespace graphics
 {
 namespace opengl
 {
-	Quad::Quad(const Viewport & v, int sw, int sh)
+	Quad::Quad(const Viewport & v, float sw, float sh)
 		: sw(sw), sh(sh)
 	{
 		memset(vertices, 255, sizeof(vertex)*4);
@@ -44,7 +44,7 @@ namespace opengl
 	{
 	}
 
-	void Quad::refresh(const Viewport & v, int sw, int sh)
+	void Quad::refresh(const Viewport & v, float sw, float sh)
 	{
 		if (!GLEE_ARB_texture_non_power_of_two)
 		{
@@ -56,20 +56,20 @@ namespace opengl
 		vertices[0].x = 0; 
 		vertices[0].y = 0;
 		vertices[1].x = 0; 
-		vertices[1].y = (float)v.h;
-		vertices[2].x = (float)v.w; 
-		vertices[2].y = (float)v.h;
-		vertices[3].x = (float)v.w; 
+		vertices[1].y = v.h;
+		vertices[2].x = v.w; 
+		vertices[2].y = v.h;
+		vertices[3].x = v.w; 
 		vertices[3].y = 0;
 		
-		vertices[0].s = (float)v.x/(float)sw; 
-		vertices[0].t = (float)v.y/(float)sh;
-		vertices[1].s = (float)v.x/(float)sw; 
-		vertices[1].t = (float)(v.y+v.h)/(float)sh;
-		vertices[2].s = (float)(v.x+v.w)/(float)sw; 
-		vertices[2].t = (float)(v.y+v.h)/(float)sh;
-		vertices[3].s = (float)(v.x+v.w)/(float)sw; 
-		vertices[3].t = (float)v.y/(float)sh;
+		vertices[0].s = v.x/sw; 
+		vertices[0].t = v.y/sh;
+		vertices[1].s = v.x/sw; 
+		vertices[1].t = (v.y+v.h)/sh;
+		vertices[2].s = (v.x+v.w)/sw; 
+		vertices[2].t = (v.y+v.h)/sh;
+		vertices[3].s = (v.x+v.w)/sw; 
+		vertices[3].t = v.y/sh;
 	}
 
 	void Quad::setViewport(const Quad::Viewport & v)
diff --git a/src/modules/graphics/opengl/Quad.h b/src/modules/graphics/opengl/Quad.h
index 9da9fe6f6..b85c6ec39 100644
--- a/src/modules/graphics/opengl/Quad.h
+++ b/src/modules/graphics/opengl/Quad.h
@@ -38,7 +38,7 @@ namespace opengl
 
 		struct Viewport
 		{
-			int x, y, w, h;
+			float x, y, w, h;
 		};
 
 	private:
@@ -46,7 +46,7 @@ namespace opengl
 		vertex vertices[4];
 
 		Viewport viewport;
-		int sw, sh;
+		float sw, sh;
 
 	public:
 
@@ -58,11 +58,11 @@ namespace opengl
 		* @param sw Width of the source image.
 		* @param sh Height of the source image.
 		**/
-		Quad(const Viewport & v, int sw, int sh);
+		Quad(const Viewport & v, float sw, float sh);
 
 		virtual ~Quad();
 
-		void refresh(const Viewport & v, int sw, int sh);
+		void refresh(const Viewport & v, float sw, float sh);
 
 		void setViewport(const Viewport & v);
 		Viewport getViewport() const;
diff --git a/src/modules/graphics/opengl/wrap_Graphics.cpp b/src/modules/graphics/opengl/wrap_Graphics.cpp
index 3187e4eab..6319835e4 100644
--- a/src/modules/graphics/opengl/wrap_Graphics.cpp
+++ b/src/modules/graphics/opengl/wrap_Graphics.cpp
@@ -226,12 +226,12 @@ namespace opengl
 
 	int w_newQuad(lua_State * L)
 	{
-		int x = luaL_checkint(L, 1);
-		int y = luaL_checkint(L, 2);
-		int w = luaL_checkint(L, 3);
-		int h = luaL_checkint(L, 4);
-		int sw = luaL_checkint(L, 5);
-		int sh = luaL_checkint(L, 6);
+		int x = luaL_checknumber(L, 1);
+		int y = luaL_checknumber(L, 2);
+		int w = luaL_checknumber(L, 3);
+		int h = luaL_checknumber(L, 4);
+		int sw = luaL_checknumber(L, 5);
+		int sh = luaL_checknumber(L, 6);
 
 		Quad * frame = instance->newQuad(x, y, w, h, sw, sh);
 
diff --git a/src/modules/graphics/opengl/wrap_Quad.cpp b/src/modules/graphics/opengl/wrap_Quad.cpp
index 8d4075165..13f63a8d3 100644
--- a/src/modules/graphics/opengl/wrap_Quad.cpp
+++ b/src/modules/graphics/opengl/wrap_Quad.cpp
@@ -43,10 +43,10 @@ namespace opengl
 	{
 		Quad * quad = luax_checktype<Quad>(L, 1, "Quad", GRAPHICS_QUAD_T);
 		Quad::Viewport v;
-		v.x = luaL_checkint(L, 2);
-		v.y = luaL_checkint(L, 3);
-		v.w = luaL_checkint(L, 4);
-		v.h = luaL_checkint(L, 5);
+		v.x = luaL_checknumber(L, 2);
+		v.y = luaL_checknumber(L, 3);
+		v.w = luaL_checknumber(L, 4);
+		v.h = luaL_checknumber(L, 5);
 		quad->setViewport(v);
 		return 0;
 	}
@@ -55,10 +55,10 @@ namespace opengl
 	{
 		Quad * quad = luax_checktype<Quad>(L, 1, "Quad", GRAPHICS_QUAD_T);
 		Quad::Viewport v = quad->getViewport();
-		lua_pushinteger(L, v.x);
-		lua_pushinteger(L, v.y);
-		lua_pushinteger(L, v.w);
-		lua_pushinteger(L, v.h);
+		lua_pushnumber(L, v.x);
+		lua_pushnumber(L, v.y);
+		lua_pushnumber(L, v.w);
+		lua_pushnumber(L, v.h);
 		return 4;
 	}