diff --git a/src/raddbg/raddbg_core.c b/src/raddbg/raddbg_core.c
index 3ff9e497..d54cbf9b 100644
--- a/src/raddbg/raddbg_core.c
+++ b/src/raddbg/raddbg_core.c
@@ -1161,6 +1161,7 @@ rd_name_alloc(String8 string)
       }
       U8 *chunk_memory = push_array(rd_state->arena, U8, chunk_size);
       RD_NameChunkNode *chunk = (RD_NameChunkNode *)chunk_memory;
+      chunk->size = chunk_size;
       SLLStackPush(rd_state->free_name_chunks[bucket_idx], chunk);
     }
   }