diff --git a/src/source-af-packet.c b/src/source-af-packet.c
index 0c50ed219a..317c8704e5 100644
--- a/src/source-af-packet.c
+++ b/src/source-af-packet.c
@@ -1573,7 +1573,7 @@ sockaddr_ll) + ETH_HLEN) - ETH_HLEN);
     int snaplen = default_packet_size;
 
     if (snaplen == 0) {
-        snaplen = GetIfaceMaxPacketSize(ptv->iface);
+        snaplen = GetIfaceMaxPacketSize(ptv->livedev);
         if (snaplen <= 0) {
             SCLogWarning("%s: unable to get MTU, setting snaplen default of 1514", ptv->iface);
             snaplen = 1514;
@@ -1607,7 +1607,7 @@ static int AFPComputeRingParamsV3(AFPThreadVars *ptv)
     int snaplen = default_packet_size;
 
     if (snaplen == 0) {
-        snaplen = GetIfaceMaxPacketSize(ptv->iface);
+        snaplen = GetIfaceMaxPacketSize(ptv->livedev);
         if (snaplen <= 0) {
             SCLogWarning("%s: unable to get MTU, setting snaplen default of 1514", ptv->iface);
             snaplen = 1514;
diff --git a/src/source-pcap.c b/src/source-pcap.c
index a36c2b646f..f916d69354 100644
--- a/src/source-pcap.c
+++ b/src/source-pcap.c
@@ -514,7 +514,7 @@ static TmEcode ReceivePcapThreadInit(ThreadVars *tv, const void *initdata, void
 
     if (pcapconfig->snaplen == 0) {
         /* We set snaplen if we can get the MTU */
-        ptv->pcap_snaplen = GetIfaceMaxPacketSize(pcapconfig->iface);
+        ptv->pcap_snaplen = GetIfaceMaxPacketSize(ptv->livedev);
     } else {
         ptv->pcap_snaplen = pcapconfig->snaplen;
     }
diff --git a/src/suricata.c b/src/suricata.c
index 7fe469acf2..d9adcaf07b 100644
--- a/src/suricata.c
+++ b/src/suricata.c
@@ -2486,7 +2486,8 @@ static int ConfigGetCaptureValue(SCInstance *suri)
                             dev[len-1] = '\0';
                         }
                     }
-                    unsigned int iface_max_packet_size = GetIfaceMaxPacketSize(dev);
+                    LiveDevice *ld = LiveGetDevice(dev);
+                    unsigned int iface_max_packet_size = GetIfaceMaxPacketSize(ld);
                     if (iface_max_packet_size > default_packet_size)
                         default_packet_size = iface_max_packet_size;
                 }
diff --git a/src/util-ioctl.c b/src/util-ioctl.c
index 97f8dd378f..399751b056 100644
--- a/src/util-ioctl.c
+++ b/src/util-ioctl.c
@@ -114,11 +114,15 @@ int GetIfaceMTU(const char *dev)
  * for the link. In case of uncertainty, it will output a
  * majorant to be sure avoid the cost of dynamic allocation.
  *
- * \param Name of a network interface
+ * \param LiveDevice object
  * \retval 0 in case of error
  */
-int GetIfaceMaxPacketSize(const char *dev)
+int GetIfaceMaxPacketSize(LiveDevice *ld)
 {
+    if (ld == NULL)
+        return 0;
+
+    const char *dev = ld->dev;
     if ((dev == NULL) || strlen(dev) == 0)
         return 0;
 
diff --git a/src/util-ioctl.h b/src/util-ioctl.h
index 2d0c74740d..24f8974875 100644
--- a/src/util-ioctl.h
+++ b/src/util-ioctl.h
@@ -25,7 +25,7 @@
 #include "util-device.h"
 
 int GetIfaceMTU(const char *pcap_dev);
-int GetIfaceMaxPacketSize(const char *pcap_dev);
+int GetIfaceMaxPacketSize(LiveDevice *ld);
 int GetIfaceOffloading(const char *dev, int csum, int other);
 int GetIfaceRSSQueuesNum(const char *pcap_dev);
 #ifdef SIOCGIFFLAGS