diff --git a/regressionTests.cmake b/regressionTests.cmake
index 041146f2d..98d1be83f 100644
--- a/regressionTests.cmake
+++ b/regressionTests.cmake
@@ -238,14 +238,16 @@ add_test_compareECLFiles(CASENAME aquflux_01
                          SIMULATOR flow
                          ABS_TOL ${abs_tol}
                          REL_TOL ${rel_tol}
-                         DIR aquifers --solver-max-time-step-in-days=1)
+                         DIR aquifers
+                         TEST_ARGS --solver-max-time-step-in-days=1)
 
 add_test_compareECLFiles(CASENAME aquflux_02
                          FILENAME AQUFLUX-02
                          SIMULATOR flow
                          ABS_TOL ${abs_tol}
                          REL_TOL ${rel_tol}
-                         DIR aquifers --solver-max-time-step-in-days=1)
+                         DIR aquifers
+                         TEST_ARGS --solver-max-time-step-in-days=1)
 
 add_test_compareECLFiles(CASENAME spe3
                          FILENAME SPE3CASE1