diff --git a/ProcessLib/GroundwaterFlow/Tests.cmake b/ProcessLib/GroundwaterFlow/Tests.cmake
index d11b943543a2daca877eebc8c0705a4a08e2fa94..1851aa743f8e5d7cdae0d7084d3559f2d09eabd9 100644
--- a/ProcessLib/GroundwaterFlow/Tests.cmake
+++ b/ProcessLib/GroundwaterFlow/Tests.cmake
@@ -678,7 +678,7 @@ AddTest(
     TESTER vtkdiff
     REQUIREMENTS NOT (OGS_USE_LIS OR OGS_USE_MPI)
     DIFF_DATA
-    square_1x1_quad_1e6_nodal_sources_expected.vtu square_1e6__with_nodal_sources_pcs_0_ts_1_t_1.000000.vtu analytical_solution pressure 1.41 1e-16
+    square_1x1_quad_1e6_nodal_sources_expected.vtu square_1e6_with_nodal_sources_pcs_0_ts_1_t_1.000000.vtu analytical_solution pressure 1.41 1e-16
     VIS square_1e6__nodal_sources_expected_pcs_0_ts_1_t_1.000000.vtu
 )