diff --git a/.github/ci-nightly-test.sh b/.github/ci-nightly-test.sh
index 7ceee4214..eb0419c60 100644
--- a/.github/ci-nightly-test.sh
+++ b/.github/ci-nightly-test.sh
@@ -10,4 +10,5 @@ module load  gnuparallel/new
 module load  python3
 
 cd ~masn/REGRESSION_TESTING/ecCodes
-./par-suite.sh -w $TMPDIR/install/eccodes
\ No newline at end of file
+# ./par-suite.sh -w $TMPDIR/install/eccodes
+./seq-suite.sh -w $TMPDIR/install/eccodes -d -t ecc-1314-grib.sh
\ No newline at end of file