diff --git a/.github/workflows/io_gnu.yml b/.github/workflows/io_gnu.yml
index 2a538deee..def5a1402 100644
--- a/.github/workflows/io_gnu.yml
+++ b/.github/workflows/io_gnu.yml
@@ -104,7 +104,7 @@ jobs:
           export OASISDIR=${GITHUB_WORKSPACE}/work_oasis3-mct
           mkdir build && cd build
           export LD_LIBRARY_PATH="/home/runner/work/WW3/WW3/spack/var/spack/environments/ww3-gnu/.spack-env/view/:$LD_LIBRARY_PATH"
-          cmake -DSWITCH=${GITHUB_WORKSPACE}/ww3/model/tests/data/switch.io -DCMAKE_BUILD_TYPE=Debug -DCMAKE_Fortran_FLAGS="-g -fprofile-abs-path -fprofile-arcs -ftest-coverage -O0 -Wall -fno-omit-frame-pointer -fsanitize=address" -DCMAKE_C_FLAGS="-g -fprofile-abs-path -fprofile-arcs -ftest-coverage -O0 -Wall -fno-omit-frame-pointer -fsanitize=address" ..
+          cmake -DSWITCH=${GITHUB_WORKSPACE}/ww3/regtests/unittests/data/switch.io -DCMAKE_BUILD_TYPE=Debug -DCMAKE_Fortran_FLAGS="-g -fprofile-abs-path -fprofile-arcs -ftest-coverage -O0 -Wall -fno-omit-frame-pointer -fsanitize=address" -DCMAKE_C_FLAGS="-g -fprofile-abs-path -fprofile-arcs -ftest-coverage -O0 -Wall -fno-omit-frame-pointer -fsanitize=address" ..
           make -j2 VERBOSE=1
           ./bin/ww3_grid
           mv mod_def.ww3 regtests/unittests