diff --git a/lapack-netlib/TESTING/EIG/zckcsd.f b/lapack-netlib/TESTING/EIG/zckcsd.f
index f77b111a4..92760337c 100644
--- a/lapack-netlib/TESTING/EIG/zckcsd.f
+++ b/lapack-netlib/TESTING/EIG/zckcsd.f
@@ -228,7 +228,7 @@
 *     ..
 *     .. External Subroutines ..
       EXTERNAL           ALAHDG, ALAREQ, ALASUM, ZCSDTS, ZLACSG, ZLAROR,
-     $                   ZLASET
+     $                   ZLASET, ZDROT
 *     ..
 *     .. Intrinsic Functions ..
       INTRINSIC          ABS, MIN