diff --git a/os/hal/ports/STM32/STM32G4xx/stm32_registry.h b/os/hal/ports/STM32/STM32G4xx/stm32_registry.h
index 15171bbbb..f86ef0014 100644
--- a/os/hal/ports/STM32/STM32G4xx/stm32_registry.h
+++ b/os/hal/ports/STM32/STM32G4xx/stm32_registry.h
@@ -145,9 +145,9 @@
 /* EXTI attributes.*/
 #define STM32_EXTI_HAS_CR                   FALSE
 #define STM32_EXTI_SEPARATE_RF              FALSE
-#define STM32_EXTI_NUM_LINES                41
+#define STM32_EXTI_NUM_LINES                44
 #define STM32_EXTI_IMR1_MASK                0x1F840000U
-#define STM32_EXTI_IMR2_MASK                0xFFFFFCF3U
+#define STM32_EXTI_IMR2_MASK                0xFFFFFF3CU
 
 
 /* Flash attributes.*/
@@ -360,9 +360,9 @@
 /* EXTI attributes.*/
 #define STM32_EXTI_HAS_CR                   FALSE
 #define STM32_EXTI_SEPARATE_RF              FALSE
-#define STM32_EXTI_NUM_LINES                41
+#define STM32_EXTI_NUM_LINES                44
 #define STM32_EXTI_IMR1_MASK                0x1F840000U
-#define STM32_EXTI_IMR2_MASK                0xFFFFFCF3U
+#define STM32_EXTI_IMR2_MASK                0xFFFFFF3CU
 
 
 /* Flash attributes.*/