diff --git a/dll/win32/iphlpapi/ipstats_reactos.c b/dll/win32/iphlpapi/ipstats_reactos.c
index e416d4842b8..2b981c11123 100644
--- a/dll/win32/iphlpapi/ipstats_reactos.c
+++ b/dll/win32/iphlpapi/ipstats_reactos.c
@@ -397,6 +397,7 @@ DWORD getNumRoutes(void)
 
     TRACE("numRoutes: %d\n", (int)numRoutes);
 
+    tdiFreeThingSet( entitySet );
     closeTcpFile( tcpFile );
 
     return numRoutes;