diff --git a/lapack-netlib/SRC/sorhr_col.f b/lapack-netlib/SRC/sorhr_col.f
index 5d9188148..ab6df2bc8 100644
--- a/lapack-netlib/SRC/sorhr_col.f
+++ b/lapack-netlib/SRC/sorhr_col.f
@@ -419,7 +419,7 @@
 *
          JBTEMP2 = JB - 2
          DO J = JB, JB+JNB-2
-            DO I = J-JBTEMP2, NB
+            DO I = J-JBTEMP2, MIN( NB, N )
                T( I, J ) = ZERO
             END DO
          END DO