diff --git a/infiniband-diags/ibstat.c b/infiniband-diags/ibstat.c
index 96edc3979..47b918f4e 100644
--- a/infiniband-diags/ibstat.c
+++ b/infiniband-diags/ibstat.c
@@ -311,8 +311,7 @@ int main(int argc, char *argv[])
 
 	if (argc) {
 		for (node = device_list; node; node = node->next)
-			if (!strncmp(node->ca_name, argv[0],
-				     strlen(node->ca_name)))
+			if (!strcmp(node->ca_name, argv[0]))
 				break;
 		if (!node)
 			IBPANIC("'%s' IB device can't be found", argv[0]);