diff --git a/drivers/dma-buf/heaps/heap-helpers.c b/drivers/dma-buf/heaps/heap-helpers.c
index d0696cf937af..a852b5e8122f 100644
--- a/drivers/dma-buf/heaps/heap-helpers.c
+++ b/drivers/dma-buf/heaps/heap-helpers.c
@@ -161,7 +161,7 @@ static vm_fault_t dma_heap_vm_fault(struct vm_fault *vmf)
 	struct vm_area_struct *vma = vmf->vma;
 	struct heap_helper_buffer *buffer = vma->vm_private_data;
 
-	if (vmf->pgoff > buffer->pagecount)
+	if (vmf->pgoff >= buffer->pagecount)
 		return VM_FAULT_SIGBUS;
 
 	vmf->page = buffer->pages[vmf->pgoff];