diff --git a/ipmitool/lib/ipmi_sol.c b/ipmitool/lib/ipmi_sol.c
index e4e8715..e576fa3 100644
--- a/ipmitool/lib/ipmi_sol.c
+++ b/ipmitool/lib/ipmi_sol.c
@@ -1254,7 +1254,7 @@ ipmi_sol_activate(struct ipmi_intf * intf)
 	 * This command is only available over RMCP+ (the lanplus
 	 * interface).
 	 */
-	if (strncmp(intf->name, "lanplus", 12))
+	if (strncmp(intf->name, "lanplus", 7))
 	{
 		printf("Error: This command is only available over the "
 			   "lanplus interface\n");