1 files changed, 2 insertions, 2 deletions
diff --git a/erts/emulator/beam/erl_db_util.c b/erts/emulator/beam/erl_db_util.c
index 0bf562d937..0fb1c397c9 100644
--- a/erts/emulator/beam/erl_db_util.c
+++ b/erts/emulator/beam/erl_db_util.c
@@ -2153,8 +2153,8 @@ restart:
 	    break;
         case matchMkFlatMap:
             n = *pc++;
-            ehp = HAllocX(build_proc, 1 + MAP_HEADER_FLATMAP_SZ + n, HEAP_XTRA);
-            t = *ehp++ = *--esp;
+            ehp = HAllocX(build_proc, MAP_HEADER_FLATMAP_SZ + n, HEAP_XTRA);
+            t = *--esp;
             {
                 flatmap_t *m = (flatmap_t *)ehp;
                 m->thing_word = MAP_HEADER_FLATMAP;