diff --git a/runtime/runtime.c b/runtime/runtime.c
index 0595c8b5c..4a80f6e34 100644
--- a/runtime/runtime.c
+++ b/runtime/runtime.c
@@ -956,7 +956,7 @@ extern void* Bstring (void *p) {
 extern void* Lstringcat (void *p) {
   void *s;
 
-  ASSERT_BOXED("stringcat", p);
+  /* ASSERT_BOXED("stringcat", p); */
   
   __pre_gc ();
   
diff --git a/src/version.ml b/src/version.ml
index 11b95bf31..849feb42d 100644
--- a/src/version.ml
+++ b/src/version.ml
@@ -1 +1 @@
-let version = "Version 1.10, 8359b674f, Sat Mar 20 13:46:03 2021 +0300"
+let version = "Version 1.10, 849162aa9, Wed Mar 24 18:51:25 2021 +0700"