diff --git a/scripts/imx/imx.c b/scripts/imx/imx.c
index f37f151..4f18d90 100644
--- a/scripts/imx/imx.c
+++ b/scripts/imx/imx.c
@@ -310,7 +310,7 @@
 	if (!data->csf) {
 		data->csf_space = 0x10000;
 
-		data->csf = malloc(data->csf_space + 1);
+		data->csf = calloc(data->csf_space + 1, 1);
 		if (!data->csf)
 			return -ENOMEM;
 	}