diff --git a/tools/ratbagc.py.in b/tools/ratbagc.py.in
index 0552c3d1..66397580 100644
--- a/tools/ratbagc.py.in
+++ b/tools/ratbagc.py.in
@@ -482,7 +482,7 @@ class RatbagdResolution(metaclass=MetaRatbag):
     @property
     def resolution(self):
         """The tuple (xres, yres) with each resolution in DPI."""
-        dpi_y = dpi_x = libratbag.ratbag_resolution_get_dpi_x(self._res)
+        dpi_x = libratbag.ratbag_resolution_get_dpi_x(self._res)
         if libratbag.RATBAG_RESOLUTION_CAP_SEPARATE_XY_RESOLUTION in self._capabilities:
             dpi_y = libratbag.ratbag_resolution_get_dpi_y(self._res)
             return (dpi_x, dpi_y)