diff --git a/epan/circuit.c b/epan/circuit.c
index 53b1c9d413..b44e943f73 100644
--- a/epan/circuit.c
+++ b/epan/circuit.c
@@ -120,7 +120,7 @@ circuit_new(circuit_type ctype, guint32 circuit_id, guint32 first_frame)
 	circuit->next = NULL;
 	circuit->first_frame = first_frame;
 	circuit->last_frame = 0;	/* not known yet */
-	circuit->index = new_index;
+	circuit->circuit_index = new_index;
 	circuit->data_list = NULL;
 	circuit->dissector_handle = NULL;
 	circuit->key_ptr = new_key;
diff --git a/epan/circuit.h b/epan/circuit.h
index 7b51875011..0bafce1d78 100644
--- a/epan/circuit.h
+++ b/epan/circuit.h
@@ -42,7 +42,7 @@ typedef struct circuit {
 	struct circuit *next;		/**< pointer to next circuit with given circuit ID */
 	guint32 first_frame;		/**< # of first frame for that circuit */
 	guint32 last_frame;			/**< # of last frame for that circuit */
-	guint32	index;				/**< unique ID for circuit */
+	guint32	circuit_index;		/**< unique ID for circuit */
 	GSList *data_list;			/**< list of data associated with circuit */
 	dissector_handle_t dissector_handle; /**< handle for protocol dissector client associated with circuit */
 	guint	options;			/**< wildcard flags */