diff --git a/src/decode-ppp.c b/src/decode-ppp.c
index 2e558ab5bf..1d22b25589 100644
--- a/src/decode-ppp.c
+++ b/src/decode-ppp.c
@@ -158,6 +158,9 @@ static int DecodePPPUncompressedProto(ThreadVars *tv, DecodeThreadVars *dtv, Pac
         case PPP_PAP:
         case PPP_LQM:
         case PPP_CHAP:
+        case PPP_CCP:
+        case PPP_CBCP:
+        case PPP_COMP_DGRAM:
             ENGINE_SET_EVENT(p,PPP_UNSUP_PROTO);
             return TM_ECODE_OK;
 
diff --git a/src/decode-ppp.h b/src/decode-ppp.h
index ee5258c694..6ec7830ace 100644
--- a/src/decode-ppp.h
+++ b/src/decode-ppp.h
@@ -59,6 +59,9 @@
 #define PPP_PAP        0xc023       /* Password Authentication Protocol */
 #define PPP_LQM        0xc025       /* Link Quality Monitoring */
 #define PPP_CHAP       0xc223       /* Challenge Handshake Authentication Protocol */
+#define PPP_CCP        0x80fd       /* Compression Control Protocol */
+#define PPP_CBCP       0xc029       /* Callback Control Protocol CBCP */
+#define PPP_COMP_DGRAM 0x00fd       /* Compressed datagram */
 
 /** PPP Packet header */
 typedef struct PPPHdr_ {