diff --git a/CDMA.java b/CDMA.java
index 9fecf62..cd9c670 100644
--- a/CDMA.java
+++ b/CDMA.java
@@ -68,9 +68,9 @@ public int buildWalshTable(int len, int i1, int i2, int j1, int j2, boolean isBa
                 wtable[i2][j2] = -1;
             } else {
                 wtable[i1][j1] = -1;
-                wtable[i1][j1] = -1;
-                wtable[i1][j1] = -1;
-                wtable[i1][j1] = 1;
+                wtable[i1][j2] = -1;
+                wtable[i2][j1] = -1;
+                wtable[i2][j2] = 1;
             }
             return 0;
         }