diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5c8a075a09411b0a70db272af23ecda3d744026b..938ceaa6fc5c79442552ce6fe87008bf5bc3d04f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -124,7 +124,7 @@ testing_stage:
       - echo "Comparing output of SPHERE"
       - python3 ../../src/scripts/pycompare.py --ffile=$FFILE --cfile=c_OSPH --html
       - echo "Checking consistency among legacy and HDF5 configuration files"
-      - ../testing/test_TEDF ../../test_data/sphere/DEDFB c_TEDF c_TEDF.hdf5
+      - ../testing/test_TEDF ../../test_data/sphere/DEDFB c_TEDF c_TEDF.hd5
       - cd ../cluster
       - echo "Comparing output of CLUSTER"
       - export FFILE=../../test_data/cluster/OCLU
@@ -132,6 +132,6 @@ testing_stage:
       - echo "Testing cluster with 24 spheres"
       - ./np_cluster ../../test_data/cluster/DEDFB_24 ../../test_data/cluster/DCLU_24 .
       - echo "Checking consistency among legacy and HDF5 configuration files"
-      - ../testing/test_TEDF ../../test_data/cluster/DEDFB_24 c_TEDF c_TEDF.hdf5
+      - ../testing/test_TEDF ../../test_data/cluster/DEDFB_24 c_TEDF c_TEDF.hd5
       - echo "Checking consistency among legacy and HDF5 TM files"
-      - ../testing/test_TTMS c_TTMS c_TTMS.hdf5
+      - ../testing/test_TTMS c_TTMS c_TTMS.hd5