diff --git a/drivers/gpu/nvgpu/os/linux/linux-dma.c b/drivers/gpu/nvgpu/os/linux/linux-dma.c
index 482b751a4..b97e7af41 100644
--- a/drivers/gpu/nvgpu/os/linux/linux-dma.c
+++ b/drivers/gpu/nvgpu/os/linux/linux-dma.c
@@ -48,7 +48,7 @@
  */
 void nvgpu_dma_flags_to_str(struct gk20a *g, unsigned long flags, char *buf)
 {
-	int bytes_available = NVGPU_DMA_STR_SIZE;
+	int bytes_available = NVGPU_DMA_STR_SIZE - 1;
 
 	memset(buf, 0, NVGPU_DMA_STR_SIZE);