diff --git a/src/vnet/ipsec/esp_encrypt.c b/src/vnet/ipsec/esp_encrypt.c
index 4b325e0..e169043 100644
--- a/src/vnet/ipsec/esp_encrypt.c
+++ b/src/vnet/ipsec/esp_encrypt.c
@@ -23,7 +23,9 @@
 #include <vnet/ipsec/ipsec.h>
 #include <vnet/ipsec/esp.h>
 
+#ifndef CLIB_MARCH_VARIANT
 ipsec_proto_main_t ipsec_proto_main;
+#endif /* CLIB_MARCH_VARIANT */
 
 #define foreach_esp_encrypt_next                   \
 _(DROP, "error-drop")                              \