diff --git a/dlls/wpcap/wpcap.c b/dlls/wpcap/wpcap.c
index be581028de4..19f79e3d54e 100644
--- a/dlls/wpcap/wpcap.c
+++ b/dlls/wpcap/wpcap.c
@@ -51,6 +51,12 @@ int CDECL wine_pcap_datalink(pcap_t *p)
     return pcap_datalink(p);
 }
 
+int CDECL wine_pcap_datalink_name_to_val(const char *name)
+{
+    TRACE("(%s)\n", debugstr_a(name));
+    return pcap_datalink_name_to_val(name);
+}
+
 const char* CDECL wine_pcap_datalink_val_to_name(int dlt)
 {
     TRACE("(%i)\n", dlt);
diff --git a/dlls/wpcap/wpcap.spec b/dlls/wpcap/wpcap.spec
index 835550a5571..de90658968e 100644
--- a/dlls/wpcap/wpcap.spec
+++ b/dlls/wpcap/wpcap.spec
@@ -12,7 +12,7 @@
 @ stub pcap_compile_nopcap
 @ stub pcap_createsrcstr
 @ cdecl pcap_datalink(ptr) wine_pcap_datalink
-@ stub pcap_datalink_name_to_val
+@ cdecl pcap_datalink_name_to_val(str) wine_pcap_datalink_name_to_val
 @ stub pcap_datalink_val_to_description
 @ cdecl pcap_datalink_val_to_name(long) wine_pcap_datalink_val_to_name
 @ cdecl pcap_dispatch(ptr long ptr ptr) wine_pcap_dispatch