diff --git a/os/hal/ports/STM32/STM32L4xx/stm32_registry.h b/os/hal/ports/STM32/STM32L4xx/stm32_registry.h
index 556aa99fb..1c6d8073d 100644
--- a/os/hal/ports/STM32/STM32L4xx/stm32_registry.h
+++ b/os/hal/ports/STM32/STM32L4xx/stm32_registry.h
@@ -1534,9 +1534,9 @@
 #define STM32_I2C3_TX_DMA_CHN               0x00000030
 
 #define STM32_HAS_I2C4                      TRUE
-#define STM32_I2C4_RX_DMA_MSK               (STM32_DMA_STREAM_ID_MSK(2, 2))
+#define STM32_I2C4_RX_DMA_MSK               (STM32_DMA_STREAM_ID_MSK(2, 1))
 #define STM32_I2C4_RX_DMA_CHN               0x00000000
-#define STM32_I2C4_TX_DMA_MSK               (STM32_DMA_STREAM_ID_MSK(2, 1))
+#define STM32_I2C4_TX_DMA_MSK               (STM32_DMA_STREAM_ID_MSK(2, 2))
 #define STM32_I2C4_TX_DMA_CHN               0x00000000
 
 /* QUADSPI attributes.*/
diff --git a/readme.txt b/readme.txt
index 1f1a1d1e0..894ba118e 100644
--- a/readme.txt
+++ b/readme.txt
@@ -93,6 +93,7 @@
        ARMv7-M and ARMv8-M-ML.
 - NEW: On STM32WBxx added a check on STM32_LSI_ENABLE required by IWDG.
 - NEW: Added SPIv2 support also to STM32WB and STM32WL.
+- FIX: Fixed I2C4 DMA streams for STM32L496 (bug #1202)
 - FIX: Fixed STM32_SDMMC2_NUMBER on STM32H7 (bug #1201)
        (backported to 20.3.5)(backported to 21.11.1).
 - FIX: Fixed STM32G0B1 demo application hangs debuggers (bug #1200)