diff --git a/src/source-pcap.c b/src/source-pcap.c
index 38c7a88506..a4df56f785 100644
--- a/src/source-pcap.c
+++ b/src/source-pcap.c
@@ -333,7 +333,7 @@ int DecodePcapThreadInit(ThreadVars *tv, void *initdata, void **data)
                         &tv->pctx, TYPE_Q_NONE, 1);
     PerfRegisterCounter("decoder.ppp", "DecodePcap", TYPE_UINT64, "NULL",
                         &tv->pctx, TYPE_Q_NONE, 1);
-    PerfRegisterCounter("decoder.avg_pkt_size", "DecodePcap", TYPE_UINT64, "NULL",
+    PerfRegisterCounter("decoder.avg_pkt_size", "DecodePcap", TYPE_DOUBLE, "NULL",
                         &tv->pctx, TYPE_Q_AVERAGE, 1);
     PerfRegisterCounter("decoder.max_pkt_size", "DecodePcap", TYPE_UINT64, "NULL",
                         &tv->pctx, TYPE_Q_MAXIMUM, 1);