diff --git a/dlls/wpcap/wpcap.spec b/dlls/wpcap/wpcap.spec
index 0e1e208450..66303b4404 100644
--- a/dlls/wpcap/wpcap.spec
+++ b/dlls/wpcap/wpcap.spec
@@ -74,5 +74,5 @@
 @ cdecl pcap_snapshot(ptr) wine_pcap_snapshot
 @ cdecl pcap_stats(ptr ptr) wine_pcap_stats
 @ stub pcap_stats_ex
-@ stub pcap_strerror
+@ cdecl pcap_strerror(long) msvcrt.strerror
 @ cdecl wsockinit() wine_wsockinit