diff --git a/arch/arm/src/stm32/stm32f20xxx_dma.c b/arch/arm/src/stm32/stm32f20xxx_dma.c
index 97ff283416..e5905a9096 100644
--- a/arch/arm/src/stm32/stm32f20xxx_dma.c
+++ b/arch/arm/src/stm32/stm32f20xxx_dma.c
@@ -131,7 +131,7 @@ static struct stm32_dma_s g_dma[DMA_NSTREAMS] =
     .stream   = 3,
     .irq      = STM32_IRQ_DMA1S3,
     .shift    = DMA_INT_STREAM3_SHIFT,
-    .base     = STM32_DMA1_BASE + STM32_DMA_OFFSET(4),
+    .base     = STM32_DMA1_BASE + STM32_DMA_OFFSET(3),
   },
   {
     .stream   = 4,
diff --git a/arch/arm/src/stm32/stm32f40xxx_dma.c b/arch/arm/src/stm32/stm32f40xxx_dma.c
index ae489a9961..850ab62ae0 100644
--- a/arch/arm/src/stm32/stm32f40xxx_dma.c
+++ b/arch/arm/src/stm32/stm32f40xxx_dma.c
@@ -130,7 +130,7 @@ static struct stm32_dma_s g_dma[DMA_NSTREAMS] =
     .stream   = 3,
     .irq      = STM32_IRQ_DMA1S3,
     .shift    = DMA_INT_STREAM3_SHIFT,
-    .base     = STM32_DMA1_BASE + STM32_DMA_OFFSET(4),
+    .base     = STM32_DMA1_BASE + STM32_DMA_OFFSET(3),
   },
   {
     .stream   = 4,