diff --git a/src/detect-ftp-mode.c b/src/detect-ftp-mode.c
index 1359c9482d..a79350db79 100644
--- a/src/detect-ftp-mode.c
+++ b/src/detect-ftp-mode.c
@@ -127,12 +127,13 @@ void DetectFtpModeRegister(void)
     sigmatch_table[DETECT_FTP_MODE].Setup = DetectFtpModeSetup;
     sigmatch_table[DETECT_FTP_MODE].AppLayerTxMatch = DetectFtpModeMatch;
     sigmatch_table[DETECT_FTP_MODE].Free = DetectFtpModeFree;
+    sigmatch_table[DETECT_FTP_MODE].flags = SIGMATCH_SUPPORT_FIREWALL;
 
-    DetectAppLayerInspectEngineRegister(
-            BUFFER_NAME, ALPROTO_FTP, SIG_FLAG_TOCLIENT, 0, DetectEngineInspectGenericList, NULL);
+    DetectAppLayerInspectEngineRegister(BUFFER_NAME, ALPROTO_FTP, SIG_FLAG_TOCLIENT,
+            FTP_STATE_FINISHED, DetectEngineInspectGenericList, NULL);
 
-    DetectAppLayerInspectEngineRegister(
-            BUFFER_NAME, ALPROTO_FTP, SIG_FLAG_TOSERVER, 0, DetectEngineInspectGenericList, NULL);
+    DetectAppLayerInspectEngineRegister(BUFFER_NAME, ALPROTO_FTP, SIG_FLAG_TOSERVER,
+            FTP_STATE_FINISHED, DetectEngineInspectGenericList, NULL);
 
     DetectBufferTypeSetDescriptionByName(BUFFER_NAME, BUFFER_DESC);