diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index 0556d140170a..19edc9ab0282 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -485,7 +485,7 @@ static int nvmem_populate_sysfs_cells(struct nvmem_device *nvmem)
 	/* Allocate an array of attributes with a sentinel */
 	ncells = list_count_nodes(&nvmem->cells);
 	pattrs = devm_kcalloc(&nvmem->dev, ncells + 1,
-			      sizeof(struct bin_attribute *), GFP_KERNEL);
+			      sizeof(*pattrs), GFP_KERNEL);
 	if (!pattrs)
 		return -ENOMEM;