diff --git a/src/ARCH_SRC/surfex/dummy_assim.F90 b/src/ARCH_SRC/surfex/dummy_assim.F90
new file mode 100644
index 0000000000000000000000000000000000000000..96cefa039e22666edadb4b3f9e26c146dd1f5bea
--- /dev/null
+++ b/src/ARCH_SRC/surfex/dummy_assim.F90
@@ -0,0 +1,4 @@
+MODULE MODD_OL_FILEID
+END MODULE MODD_OL_FILEID         
+ MODULE MODD_OFF_SURFEX_n
+END MODULE MODD_OFF_SURFEX_n