diff --git a/XBLAS/testing/test-dot2/testgen_BLAS_cdot2.c b/XBLAS/testing/test-dot2/testgen_BLAS_cdot2.c
index fb4ef7a0b..ec8d7735c 100644
--- a/XBLAS/testing/test-dot2/testgen_BLAS_cdot2.c
+++ b/XBLAS/testing/test-dot2/testgen_BLAS_cdot2.c
@@ -314,7 +314,7 @@ testgen_BLAS_cdot2(int n, int n_fix2, int n_mix, int norm,
 	      } else {  /* x[k] fixed, x[k+1] fixed or free. */
 		  y_i[k] = xrand(seed);
 		  y_i[k + 1] = xrand(seed);
-		  gen_y_to_cancel(k+1, n, conj, alpha, head_x, tail_x, y);
+		  gen_y_to_cancel(n_fix2 + 1, n, conj, alpha, head_x, tail_x, y);
 	      }
 	      break;
 	  default:                 /* y_free >= 3 */
diff --git a/XBLAS/testing/test-dot2/testgen_BLAS_zdot2.c b/XBLAS/testing/test-dot2/testgen_BLAS_zdot2.c
index 57f8b392d..fa92b4e4e 100644
--- a/XBLAS/testing/test-dot2/testgen_BLAS_zdot2.c
+++ b/XBLAS/testing/test-dot2/testgen_BLAS_zdot2.c
@@ -310,7 +310,7 @@ testgen_BLAS_zdot2(int n, int n_fix2, int n_mix, int norm,
 	      } else {  /* x[k] fixed, x[k+1] free or fixed. */
 		  y_i[k] = xrand(seed);
 		  y_i[k + 1] = xrand(seed);
-		  gen_y_to_cancel(k+1, n, conj, alpha, head_x, tail_x, y);
+		  gen_y_to_cancel(n_fix2 + 1, n, conj, alpha, head_x, tail_x, y);
 	      }
 	      break;
 	  default:                 /* y_free >= 3 */