diff --git a/external/mod2c b/external/mod2c
index 8565d3c17..88ad40f3d 160000
--- a/external/mod2c
+++ b/external/mod2c
@@ -1 +1 @@
-Subproject commit 8565d3c178a195a489fae0623d6338c2e92cd1e5
+Subproject commit 88ad40f3d713cd007e2cc6c39c44f01a50cb50b8