diff --git a/include/lib-student/ecADC2_student.c b/include/lib-student/ecADC2_student.c
index ba40e5f..8e9d1e2 100644
--- a/include/lib-student/ecADC2_student.c
+++ b/include/lib-student/ecADC2_student.c
@@ -344,8 +344,8 @@ void JADC_sequence(PinName_t *seqCHn, int seqCHnums){
 	ADC1->JSQR |= (seqCHnums-1) << ADC_JSQR_JL_Pos; 		// conversions in the regular channel conversion sequence
 	
 	for(int i = 0; i<seqCHnums; i++){
-		ADC1->JSQR &= ~(0x1F<<(15 - 5 * i));	// SQ1 clear bits
-		ADC1->JSQR |= chN[i]<<(15 - 5 * i);		// Choose the channel to convert sequence
+		ADC1->JSQR &= ~(0x1F<<(15 - 5 * (seqCHnums - i - 1)));	// SQ1 clear bits
+		ADC1->JSQR |= chN[i]<<(15 - 5 * (seqCHnums - i - 1));		// Choose the channel to convert sequence
 		//ADC1->JSQR &= ~(0x1FUL << i*5);
 		//ADC1->JSQR |= chN[i] << i*5;
 	}