diff --git a/embassy-stm32/src/adc/v4.rs b/embassy-stm32/src/adc/v4.rs
index d03f2550..2ff5c8f9 100644
--- a/embassy-stm32/src/adc/v4.rs
+++ b/embassy-stm32/src/adc/v4.rs
@@ -107,20 +107,20 @@ macro_rules! rcc_peripheral {
 
 #[cfg(stm32g4)]
 foreach_peripheral!(
-    (adc, ADC1) => { rcc_peripheral!(ADC1, adc12, ahb2, adc12, ADC12_ENABLE_COUNTER); };
-    (adc, ADC2) => { rcc_peripheral!(ADC2, adc12, ahb2, adc12, ADC12_ENABLE_COUNTER); };
+    (adc, ADC1) => { rcc_peripheral!(ADC1, adc, ahb2, adc12, ADC12_ENABLE_COUNTER); };
+    (adc, ADC2) => { rcc_peripheral!(ADC2, adc, ahb2, adc12, ADC12_ENABLE_COUNTER); };
 );
 
 #[cfg(stm32g4x1)]
 foreach_peripheral!(
-    (adc, ADC3) => { rcc_peripheral!(ADC3, adc345, ahb2, adc345); };
+    (adc, ADC3) => { rcc_peripheral!(ADC3, adc34, ahb2, adc345); };
 );
 
 #[cfg(any(stm32g4x3, stm32g4x4))]
 foreach_peripheral!(
-    (adc, ADC3) => { rcc_peripheral!(ADC3, adc345, ahb2, adc345, ADC345_ENABLE_COUNTER); };
-    (adc, ADC4) => { rcc_peripheral!(ADC4, adc345, ahb2, adc345, ADC345_ENABLE_COUNTER); };
-    (adc, ADC5) => { rcc_peripheral!(ADC5, adc345, ahb2, adc345, ADC345_ENABLE_COUNTER); };
+    (adc, ADC3) => { rcc_peripheral!(ADC3, adc34, ahb2, adc345, ADC345_ENABLE_COUNTER); };
+    (adc, ADC4) => { rcc_peripheral!(ADC4, adc34, ahb2, adc345, ADC345_ENABLE_COUNTER); };
+    (adc, ADC5) => { rcc_peripheral!(ADC5, adc34, ahb2, adc345, ADC345_ENABLE_COUNTER); };
 );
 
 #[cfg(stm32h7)]
diff --git a/embassy-stm32/src/rcc/g4.rs b/embassy-stm32/src/rcc/g4.rs
index 4c95bb15..2359f39c 100644
--- a/embassy-stm32/src/rcc/g4.rs
+++ b/embassy-stm32/src/rcc/g4.rs
@@ -612,7 +612,7 @@ pub(crate) unsafe fn init(config: Config) {
         apb1_tim: Hertz(apb1_tim_freq),
         apb2: Hertz(apb2_freq),
         apb2_tim: Hertz(apb2_tim_freq),
-        adc12: adc12_ck,
-        adc345: adc345_ck,
+        adc: adc12_ck,
+        adc34: adc345_ck,
     });
 }