diff --git a/src/frontend/inpcom.c b/src/frontend/inpcom.c
index e31118e76..a890d1cd9 100644
--- a/src/frontend/inpcom.c
+++ b/src/frontend/inpcom.c
@@ -3966,8 +3966,12 @@ static void expand_section_references(struct card *c, const char *dir_name)
             fprintf(stdout, "\nLibrary\n%s\nsaved to %s\n", p->line + 9, filename);
             tfree(filename);
         }
-        else if (ciprefix(".lib", c->line))
+        else if (ciprefix(".lib", c->line)) {
+            /* add SOA check info direcly after inserting the library */
+            if (cp_getvar("soacheck", CP_BOOL, NULL, 0))
+                insert_new_line(c, copy(".param SWSOA=1"), c->linenum + 1, 0, "internal");
             c = expand_section_ref(c, dir_name);
+        }
     }
 }