diff --git a/lib/stm32/common/adc_common_v1.c b/lib/stm32/common/adc_common_v1.c
index c028f11d12..227855d0fe 100644
--- a/lib/stm32/common/adc_common_v1.c
+++ b/lib/stm32/common/adc_common_v1.c
@@ -588,16 +588,16 @@ void adc_set_regular_sequence(uint32_t adc, uint8_t length, uint8_t channel[])
 		if (i <= 6) {
 			first6 |= (channel[i - 1] << ((i - 1) * 5));
 		}
-		if ((i > 6) & (i <= 12)) {
+		if ((i > 6) && (i <= 12)) {
 			second6 |= (channel[i - 1] << ((i - 6 - 1) * 5));
 		}
-		if ((i > 12) & (i <= 18)) {
+		if ((i > 12) && (i <= 18)) {
 			third6 |= (channel[i - 1] << ((i - 12 - 1) * 5));
 		}
-		if ((i > 18) & (i <= 24)) {
+		if ((i > 18) && (i <= 24)) {
 			fourth6 |= (channel[i - 1] << ((i - 18 - 1) * 5));
 		}
-		if ((i > 24) & (i <= 28)) {
+		if ((i > 24) && (i <= 28)) {
 			fifth6 |= (channel[i - 1] << ((i - 24 - 1) * 5));
 		}
 	}
diff --git a/lib/stm32/common/adc_common_v2_multi.c b/lib/stm32/common/adc_common_v2_multi.c
index d27bb32eae..eb7448e7fb 100644
--- a/lib/stm32/common/adc_common_v2_multi.c
+++ b/lib/stm32/common/adc_common_v2_multi.c
@@ -111,13 +111,13 @@ void adc_set_regular_sequence(uint32_t adc, uint8_t length, uint8_t channel[])
 		if (i <= 4) {
 			reg32_1 |= (channel[i - 1] << (i * 6));
 		}
-		if ((i > 4) & (i <= 9)) {
+		if ((i > 4) && (i <= 9)) {
 			reg32_2 |= (channel[i - 1] << ((i - 4 - 1) * 6));
 		}
-		if ((i > 9) & (i <= 14)) {
+		if ((i > 9) && (i <= 14)) {
 			reg32_3 |= (channel[i - 1] << ((i - 9 - 1) * 6));
 		}
-		if ((i > 14) & (i <= 16)) {
+		if ((i > 14) && (i <= 16)) {
 			reg32_4 |= (channel[i - 1] << ((i - 14 - 1) * 6));
 		}
 	}