diff --git a/ChangeLog b/ChangeLog
index caaa58462..62a3a7a2d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2006-03-12  Pierre Willenbrock <pierre@pirsoft.dnsalias.org>
+
+        * backend/genesys_gl646.c: fixed silly thinko in
+          gl646_send_gamma_table.
+
 2006-03-12  Stéphane Voltz <stefdev@modulonet.fr>
 
         * backend/genesys_gl646.c: fixed gl646_send_gamma_table after
diff --git a/backend/genesys_gl646.c b/backend/genesys_gl646.c
index 212bf84b2..b00fe7ec6 100644
--- a/backend/genesys_gl646.c
+++ b/backend/genesys_gl646.c
@@ -3172,10 +3172,10 @@ gl646_send_gamma_table (Genesys_Device * dev, SANE_Bool generic)
 	{
 	  gamma[i * 2]                = i & 0xff;
 	  gamma[i * 2 + 1]            = i >> 8;
-	  gamma[i * 2     + size]     = i & 0xff;
-	  gamma[i * 2 + 1 + size]     = i >> 8;
 	  gamma[i * 2     + size * 2] = i & 0xff;
 	  gamma[i * 2 + 1 + size * 2] = i >> 8;
+	  gamma[i * 2     + size * 4] = i & 0xff;
+	  gamma[i * 2 + 1 + size * 4] = i >> 8;
 	}
     }
   else
@@ -3185,10 +3185,10 @@ gl646_send_gamma_table (Genesys_Device * dev, SANE_Bool generic)
 	{
 	  gamma[i * 2]                = dev->sensor.red_gamma_table[i] & 0xff;
 	  gamma[i * 2 + 1]            = dev->sensor.red_gamma_table[i] >> 8;
-	  gamma[i * 2     + size]     = dev->sensor.green_gamma_table[i] & 0xff;
-	  gamma[i * 2 + 1 + size]     = dev->sensor.green_gamma_table[i] >> 8;
-	  gamma[i * 2     + size * 2] = dev->sensor.blue_gamma_table[i] & 0xff;
-	  gamma[i * 2 + 1 + size * 2] = dev->sensor.blue_gamma_table[i] >> 8;
+	  gamma[i * 2     + size * 2] = dev->sensor.green_gamma_table[i] & 0xff;
+	  gamma[i * 2 + 1 + size * 2]  = dev->sensor.green_gamma_table[i] >> 8;
+	  gamma[i * 2     + size * 4] = dev->sensor.blue_gamma_table[i] & 0xff;
+	  gamma[i * 2 + 1 + size * 4] = dev->sensor.blue_gamma_table[i] >> 8;
 	}
     }
 #else