diff --git a/embassy-stm32/src/adc/ringbuffered_v2.rs b/embassy-stm32/src/adc/ringbuffered_v2.rs
index fabf0284b..6f69e8486 100644
--- a/embassy-stm32/src/adc/ringbuffered_v2.rs
+++ b/embassy-stm32/src/adc/ringbuffered_v2.rs
@@ -199,16 +199,16 @@ impl<'d, T: Instance> RingBufferedAdc<'d, T> {
             Sequence::Four => T::regs().sqr3().modify(|w| w.set_sq(3, channel.channel())),
             Sequence::Five => T::regs().sqr3().modify(|w| w.set_sq(4, channel.channel())),
             Sequence::Six => T::regs().sqr3().modify(|w| w.set_sq(5, channel.channel())),
-            Sequence::Seven => T::regs().sqr2().modify(|w| w.set_sq(6, channel.channel())),
-            Sequence::Eight => T::regs().sqr2().modify(|w| w.set_sq(7, channel.channel())),
-            Sequence::Nine => T::regs().sqr2().modify(|w| w.set_sq(8, channel.channel())),
-            Sequence::Ten => T::regs().sqr2().modify(|w| w.set_sq(9, channel.channel())),
-            Sequence::Eleven => T::regs().sqr2().modify(|w| w.set_sq(10, channel.channel())),
-            Sequence::Twelve => T::regs().sqr2().modify(|w| w.set_sq(11, channel.channel())),
-            Sequence::Thirteen => T::regs().sqr1().modify(|w| w.set_sq(12, channel.channel())),
-            Sequence::Fourteen => T::regs().sqr1().modify(|w| w.set_sq(13, channel.channel())),
-            Sequence::Fifteen => T::regs().sqr1().modify(|w| w.set_sq(14, channel.channel())),
-            Sequence::Sixteen => T::regs().sqr1().modify(|w| w.set_sq(15, channel.channel())),
+            Sequence::Seven => T::regs().sqr2().modify(|w| w.set_sq(0, channel.channel())),
+            Sequence::Eight => T::regs().sqr2().modify(|w| w.set_sq(1, channel.channel())),
+            Sequence::Nine => T::regs().sqr2().modify(|w| w.set_sq(2, channel.channel())),
+            Sequence::Ten => T::regs().sqr2().modify(|w| w.set_sq(3, channel.channel())),
+            Sequence::Eleven => T::regs().sqr2().modify(|w| w.set_sq(4, channel.channel())),
+            Sequence::Twelve => T::regs().sqr2().modify(|w| w.set_sq(5, channel.channel())),
+            Sequence::Thirteen => T::regs().sqr1().modify(|w| w.set_sq(0, channel.channel())),
+            Sequence::Fourteen => T::regs().sqr1().modify(|w| w.set_sq(1, channel.channel())),
+            Sequence::Fifteen => T::regs().sqr1().modify(|w| w.set_sq(2, channel.channel())),
+            Sequence::Sixteen => T::regs().sqr1().modify(|w| w.set_sq(3, channel.channel())),
         };
 
         if !was_on {