Index: src/capture.c
--- src/capture.c.orig
+++ src/capture.c
@@ -1368,8 +1368,11 @@ datalink_size(int datalink)
         case DLT_PPP:
         case DLT_PPP_BSDOS:
         case DLT_PPP_SERIAL:
-        case DLT_PPP_ETHER:
             return 4;
+        case DLT_PPP_ETHER:
+            return 8;
+        case DLT_PFLOG:
+            return 48;
         case DLT_RAW:
             return 0;
         case DLT_FDDI:
