diff --git a/gas/subsegs.c b/gas/subsegs.c
index e77bce82ae..8c5f8d86b1 100644
--- a/gas/subsegs.c
+++ b/gas/subsegs.c
@@ -117,6 +117,7 @@ subseg_set_rest (segT seg, subsegT subseg)
 #endif
       newP->frch_frag_now = frag_alloc (&newP->frch_obstack);
       newP->frch_frag_now->fr_type = rs_fill;
+      newP->frch_cfi_data = NULL;
 
       newP->frch_root = newP->frch_last = newP->frch_frag_now;