diff --git a/src/system/kernel/device_manager/dma_resources.cpp b/src/system/kernel/device_manager/dma_resources.cpp
index dfbaf80479..99d0d3a858 100644
--- a/src/system/kernel/device_manager/dma_resources.cpp
+++ b/src/system/kernel/device_manager/dma_resources.cpp
@@ -158,6 +158,8 @@ status_t
 DMAResource::Init(const dma_restrictions& restrictions,
 	generic_size_t blockSize, uint32 bufferCount, uint32 bounceBufferCount)
 {
+	ASSERT(restrictions.alignment <= blockSize);
+
 	fRestrictions = restrictions;
 	fBlockSize = blockSize == 0 ? 1 : blockSize;
 	fBufferCount = bufferCount;