diff --git a/src/app-layer-smb.c b/src/app-layer-smb.c
index 1cb07b4e83..994d7a25e7 100644
--- a/src/app-layer-smb.c
+++ b/src/app-layer-smb.c
@@ -1188,6 +1188,8 @@ static int SMBParse(Flow *f, void *smb_state, AppLayerParserState *pstate,
 
     if (input == NULL && AppLayerParserStateIssetFlag(pstate, APP_LAYER_PARSER_EOF)) {
         SCReturnInt(1);
+    } else if (input == NULL) {
+        SCReturnInt(-1);
     }
 
     if (sstate->bytesprocessed != 0 && sstate->data_needed_for_dir != dir) {