diff --git a/src/defrag.c b/src/defrag.c
index f0fbc7b96b..30163b638c 100644
--- a/src/defrag.c
+++ b/src/defrag.c
@@ -614,7 +614,7 @@ Defrag4Reassemble(ThreadVars *tv, DefragContext *dc, DefragTracker *tracker,
 remove_tracker:
     /* Remove the frag tracker. */
     SCMutexLock(&dc->frag_table_lock);
-    HashListTableRemove(dc->frag_table, tracker, sizeof(tracker));
+    HashListTableRemove(dc->frag_table, tracker, sizeof(*tracker));
     SCMutexUnlock(&dc->frag_table_lock);
     DefragTrackerReset(tracker);
     SCMutexLock(&dc->tracker_pool_lock);
@@ -725,7 +725,7 @@ Defrag6Reassemble(ThreadVars *tv, DefragContext *dc, DefragTracker *tracker,
 remove_tracker:
     /* Remove the frag tracker. */
     SCMutexLock(&dc->frag_table_lock);
-    HashListTableRemove(dc->frag_table, tracker, sizeof(tracker));
+    HashListTableRemove(dc->frag_table, tracker, sizeof(*tracker));
     SCMutexUnlock(&dc->frag_table_lock);
     DefragTrackerReset(tracker);
     SCMutexLock(&dc->tracker_pool_lock);