diff --git a/Testing/Applications/Projections/CMakeLists.txt b/Testing/Applications/Projections/CMakeLists.txt
index 28d1fe9e40b24d4bedcf5277cea34a9b93cb07c3..18abdad264998214d603be117eae30081ab2deea 100644
--- a/Testing/Applications/Projections/CMakeLists.txt
+++ b/Testing/Applications/Projections/CMakeLists.txt
@@ -14,6 +14,7 @@ OTB_TEST_APPLICATION(NAME  apTvPrOrthorectification_UTM
                  			 -outputs.spacingy  -0.5
                  			 -map utm
                  			 -opt.gridspacing 4 # Spacing of the deformation field
+                       -interpolator linear
                      VALID   --compare-image ${EPSILON_4}
                               ${BASELINE}/owTvOrthorectifTest_UTM.tif
                  			  ${TEMP}/apTvPrOrthorectifTest_UTM.tif)