diff --git a/README.md b/README.md
index e7fe9fc..3b35b01 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ Converts .svg files generated by Aseprite to TempleOS GR format, preserving pale
 
 # Notes
 
-Tested w/ Aseprite v1.2.33-x64
+Tested w/ Aseprite v1.3.17-x64
 
 # Usage
 
diff --git a/svg2GR b/svg2GR
index d251dba..23b7e27 100755
--- a/svg2GR
+++ b/svg2GR
@@ -26,20 +26,25 @@ def main():
     height = int(get_attr(svg_rows[1], "height"))
     width_internal = (width + 7) & (-8);
 
-    x = 0
-    y = 0
-    color = 0
     buffer = bytearray([255]) * (height * width_internal) 
 
     i = 2
     while i < len(svg_rows) - 1:
         x = int(get_attr(svg_rows[i], "x"))
         y = int(get_attr(svg_rows[i], "y"))
+        rw = int(get_attr(svg_rows[i], "width"))
+        rh = int(get_attr(svg_rows[i], "height"))
         if "opacity" in svg_rows[i]:
             color = 255
         else:
             color = color_lookup[get_attr(svg_rows[i], "fill")]
-        buffer[(y * width_internal) + x] = color
+        iy = y;
+        while iy < y + rh:
+            ix = x
+            while ix < x + rw:
+                buffer[(iy * width_internal) + ix] = color
+                ix += 1
+            iy += 1
         i += 1
 
     f = open(svg_file.replace(".svg",".GR"), "wb")