diff --git a/packaging/linux/common/khiops_env/khiops_env.in b/packaging/linux/common/khiops_env/khiops_env.in
index cb5629c21..a04a7777d 100644
--- a/packaging/linux/common/khiops_env/khiops_env.in
+++ b/packaging/linux/common/khiops_env/khiops_env.in
@@ -84,8 +84,15 @@ if command -v mpiexec &>/dev/null; then
     KHIOPS_MPI_ERROR=""
     KHIOPS_MPI_COMMAND="$(type -P mpiexec) $MPI_EXTRA_FLAGS @KHIOPS_MPI_EXTRA_FLAG@ @MPIEXEC_NUMPROC_FLAG@ $KHIOPS_PROC_NUMBER"
 else
-    KHIOPS_MPI_ERROR="We didn't find mpiexec in the regular path. Parallel computation is unavailable: Khiops is launched in serial"
-    KHIOPS_MPI_COMMAND=""
+    _MPIEXEC=$(dirname $KHIOPS_PATH)/mpiexec
+    if command -v $_MPIEXEC &>/dev/null; then
+        KHIOPS_MPI_ERROR=""
+        KHIOPS_MPI_COMMAND="$_MPIEXEC $MPI_EXTRA_FLAGS @KHIOPS_MPI_EXTRA_FLAG@ @MPIEXEC_NUMPROC_FLAG@ $KHIOPS_PROC_NUMBER"
+        unset _MPIEXEC
+    else
+        KHIOPS_MPI_ERROR="We didn't find mpiexec in the regular path. Parallel computation is unavailable: Khiops is launched in serial"
+        KHIOPS_MPI_COMMAND=""
+    fi
 fi
 
 # without more than 2 procs, we use the serial khiops