diff --git a/easybuild/easyconfigs/g/GROMACS/GROMACS-2024.3-foss-2023b.eb b/easybuild/easyconfigs/g/GROMACS/GROMACS-2024.3-foss-2023b.eb
index 9ccc71a7b16..a5ece3769bb 100644
--- a/easybuild/easyconfigs/g/GROMACS/GROMACS-2024.3-foss-2023b.eb
+++ b/easybuild/easyconfigs/g/GROMACS/GROMACS-2024.3-foss-2023b.eb
@@ -72,7 +72,8 @@ exts_default_options = {
 
 exts_list = [
     ('gmxapi', '0.4.2', {
-        'preinstallopts': 'export CMAKE_ARGS="-Dgmxapi_ROOT=%(installdir)s -C %(installdir)s/share/cmake/gromacs_mpi/gromacs-hints_mpi.cmake" && ',
+        'preinstallopts': 'export CMAKE_ARGS="-Dgmxapi_ROOT=%(installdir)s ' +
+                          '-C %(installdir)s/share/cmake/gromacs_mpi/gromacs-hints_mpi.cmake" && ',
         'checksums': ['c746c6498c73a75913d7fcb01c13cc001d4bcb82999e9bf91d63578565ed1a1f'],
     }),
 ]