diff --git a/dlls/wpcap/wpcap.c b/dlls/wpcap/wpcap.c
index 81ff9589dc8..333079eb880 100644
--- a/dlls/wpcap/wpcap.c
+++ b/dlls/wpcap/wpcap.c
@@ -45,6 +45,12 @@ int CDECL wine_pcap_datalink(pcap_t *p)
     return pcap_datalink(p);
 }
 
+const char* CDECL wine_pcap_datalink_val_to_name(int dlt)
+{
+    TRACE("(%i)\n", dlt);
+    return pcap_datalink_val_to_name(dlt);
+}
+
 typedef struct
 {
     void (CALLBACK *pfn_cb)(u_char *, const struct pcap_pkthdr *, const u_char *);
diff --git a/dlls/wpcap/wpcap.spec b/dlls/wpcap/wpcap.spec
index 2cdc6cd7a1d..04f309ffbba 100644
--- a/dlls/wpcap/wpcap.spec
+++ b/dlls/wpcap/wpcap.spec
@@ -14,7 +14,7 @@
 @ cdecl pcap_datalink(ptr) wine_pcap_datalink
 @ stub pcap_datalink_name_to_val
 @ stub pcap_datalink_val_to_description
-@ stub pcap_datalink_val_to_name
+@ cdecl pcap_datalink_val_to_name(long) wine_pcap_datalink_val_to_name
 @ cdecl pcap_dispatch(ptr long ptr ptr) wine_pcap_dispatch
 @ stub pcap_dump
 @ stub pcap_dump_close