diff --git a/src/netbase.cpp b/src/netbase.cpp
--- a/src/netbase.cpp
+++ b/src/netbase.cpp
@@ -739,6 +739,10 @@
 #else
     int ret = close(hSocket);
 #endif
+    if (ret) {
+        LogPrintf("Socket close failed: %d. Error: %s\n", hSocket,
+                  NetworkErrorString(WSAGetLastError()));
+    }
     hSocket = INVALID_SOCKET;
     return ret != SOCKET_ERROR;
 }