diff --git a/lapack-netlib/SRC/dlanv2.f b/lapack-netlib/SRC/dlanv2.f
index 61b016f16..1c277c6bb 100644
--- a/lapack-netlib/SRC/dlanv2.f
+++ b/lapack-netlib/SRC/dlanv2.f
@@ -139,7 +139,7 @@
 *  =====================================================================
 *
 *     .. Parameters ..
-      DOUBLE PRECISION   ZERO, HALF, ONE
+      DOUBLE PRECISION   ZERO, HALF, ONE, TWO
       PARAMETER          ( ZERO = 0.0D+0, HALF = 0.5D+0, ONE = 1.0D+0,
      $                     TWO = 2.0D0 )
       DOUBLE PRECISION   MULTPL