diff --git a/tests/data/constVelocityLineScan.json b/tests/data/constVelocityLineScan.json
index 142a4b66a34d5384f8d85d5cb584e8c30e3d4c8e..fbb055331ed034ad4af9eb04c70d1038bdd73828 100644
--- a/tests/data/constVelocityLineScan.json
+++ b/tests/data/constVelocityLineScan.json
@@ -13,7 +13,7 @@
   "dt_ephemeris": 0.2,
   "t0_quaternion": -0.8,
   "dt_quaternion": 0.2,
-  "focal2pixel_lines": [0.0, 10.0, 0.0],
+  "focal2pixel_lines": [0.0, -10.0, 0.0],
   "focal2pixel_samples": [0.0, 0.0, 10.0],
   "focal_length_model": {
     "focal_length": 50
diff --git a/tests/data/orbitalLineScan.json b/tests/data/orbitalLineScan.json
index c51d32147dc350c1b2ccf738e83a03d7653b5399..ba680890f4d0dcb1fea7451f14a4a49f143ade46 100644
--- a/tests/data/orbitalLineScan.json
+++ b/tests/data/orbitalLineScan.json
@@ -13,7 +13,7 @@
   "dt_ephemeris": 0.1,
   "t0_quaternion": -0.8,
   "dt_quaternion": 0.1,
-  "focal2pixel_lines": [0.0, 10.0, 0.0],
+  "focal2pixel_lines": [0.0, -10.0, 0.0],
   "focal2pixel_samples": [0.0, 0.0, 10.0],
   "focal_length_model": {
     "focal_length": 50