diff --git a/src/calng/LpdCorrection.py b/src/calng/LpdCorrection.py
index 89d160f7ab4eb82995808efff23ad3252285db9e..a79b28923c0b8867f6fc61d5d14d2cc7f8c4532f 100644
--- a/src/calng/LpdCorrection.py
+++ b/src/calng/LpdCorrection.py
@@ -113,7 +113,7 @@ class LpdGpuRunner(base_gpu.BaseGpuRunner):
                 )
             )
         elif constant_type is LpdConstants.FFMap:
-            self.gain_amp_map_gpu.set(
+            self.flatfield_map_gpu.set(
                 np.transpose(
                     constant_data.astype(np.float32),
                     (2, 1, 0, 3),