diff --git a/ci_scripts/install_gromacs_2019.sh b/ci_scripts/install_gromacs_2019.sh
index fae108b..a4f74f1 100755
--- a/ci_scripts/install_gromacs_2019.sh
+++ b/ci_scripts/install_gromacs_2019.sh
@@ -30,6 +30,7 @@ pushd $HOME
          -DGMX_DOUBLE=$GMX_DOUBLE \
          -DGMX_MPI=$GMX_MPI \
          -DGMX_THREAD_MPI=$GMX_THREAD_MPI \
+         -DGMXAPI=ON \
          -DCMAKE_INSTALL_PREFIX=$HOME/install/gromacs_2019 \
          ..
    make -j2 install