diff --git a/backend/genesys_sensor.h b/backend/genesys_sensor.h
index d5533f5a3..8b6404f95 100644
--- a/backend/genesys_sensor.h
+++ b/backend/genesys_sensor.h
@@ -279,6 +279,10 @@ struct Genesys_Sensor {
     // resolution. The value zero does not set the override.
     unsigned register_dpihw_override = 0;
 
+    // The scanner may be setup to use a custom logical dpihw that does not correspond to any actual
+    // resolution. The value zero does not set the override.
+    unsigned logical_dpihw_override = 0;
+
     // The scanner may be setup to use a custom dpiset value that does not correspond to any actual
     // resolution. The value zero does not set the override.
     unsigned dpiset_override = 0;
diff --git a/backend/genesys_tables_sensor.cc b/backend/genesys_tables_sensor.cc
index ae1e995df..9726edb98 100644
--- a/backend/genesys_tables_sensor.cc
+++ b/backend/genesys_tables_sensor.cc
@@ -47,6 +47,9 @@
 
 inline unsigned default_get_logical_hwdpi(const Genesys_Sensor& sensor, unsigned xres)
 {
+    if (sensor.logical_dpihw_override)
+        return sensor.logical_dpihw_override;
+
     // can't be below 600 dpi
     if (xres <= 600) {
         return 600;