diff --git a/drivers/dma-buf/dma-heap.c b/drivers/dma-buf/dma-heap.c
index 1886aee46131..afd22c9dbdcf 100644
--- a/drivers/dma-buf/dma-heap.c
+++ b/drivers/dma-buf/dma-heap.c
@@ -106,7 +106,7 @@ static long dma_heap_ioctl_allocate(struct file *file, void *data)
 	return 0;
 }
 
-unsigned int dma_heap_ioctl_cmds[] = {
+static unsigned int dma_heap_ioctl_cmds[] = {
 	DMA_HEAP_IOCTL_ALLOC,
 };