diff --git a/reactos/dll/win32/icmp/icmp_main.c b/reactos/dll/win32/icmp/icmp_main.c
index 8257c1156b1..187b310f0a6 100644
--- a/reactos/dll/win32/icmp/icmp_main.c
+++ b/reactos/dll/win32/icmp/icmp_main.c
@@ -179,6 +179,7 @@ HANDLE WINAPI IcmpCreateFile(VOID)
 
     icp=HeapAlloc(GetProcessHeap(), 0, sizeof(*icp));
     if (icp==NULL) {
+        closesocket(sid);
         SetLastError(IP_NO_RESOURCES);
         return INVALID_HANDLE_VALUE;
     }