diff --git a/server/XfrmController.cpp b/server/XfrmController.cpp
index 0317779..9f62453 100644
--- a/server/XfrmController.cpp
+++ b/server/XfrmController.cpp
@@ -390,7 +390,7 @@
     for (const std::string& iface : ifaces.value()) {
         int status = 0;
         // Look for the reserved interface prefix, which must be in the name at position 0
-        if (iface.find(TUNNEL_INTERFACE_PREFIX) == 0 &&
+        if (!iface.compare(0, strlen(TUNNEL_INTERFACE_PREFIX), TUNNEL_INTERFACE_PREFIX) &&
             (status = removeVirtualTunnelInterface(iface)) < 0) {
             ALOGE("Failed to delete ipsec tunnel %s.", iface.c_str());
             return netdutils::statusFromErrno(status, "Failed to remove ipsec tunnel.");