diff --git a/build/shared/revisions.txt b/build/shared/revisions.txt
index 28022ccbc..24b5a162d 100644
--- a/build/shared/revisions.txt
+++ b/build/shared/revisions.txt
@@ -10,7 +10,7 @@ ARDUINO 1.5.6 BETA
 
 [core]
 * sam: Fixed wrap-around bug in delay() (Mark Tillotson)
-* sam: Fixed regression in analogRead() (fails to read multiple channels)
+* sam: Fixed regression in analogRead() (fails to read multiple channels) (Mark Tillotson)
 
 ARDUINO 1.5.5 BETA 2013.11.28
 
diff --git a/hardware/arduino/sam/cores/arduino/wiring_analog.c b/hardware/arduino/sam/cores/arduino/wiring_analog.c
index 184220f9e..ffdc4e2f0 100644
--- a/hardware/arduino/sam/cores/arduino/wiring_analog.c
+++ b/hardware/arduino/sam/cores/arduino/wiring_analog.c
@@ -149,9 +149,9 @@ uint32_t analogRead(uint32_t ulPin)
 
 			// Enable the corresponding channel
 			if (ulChannel != latestSelectedChannel) {
+				adc_enable_channel( ADC, ulChannel );
 				if ( latestSelectedChannel != -1 )
 					adc_disable_channel( ADC, latestSelectedChannel );
-				adc_enable_channel( ADC, ulChannel );
 				latestSelectedChannel = ulChannel;
 			}