diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c
index 4cb667d720a7..9fabbf7214cd 100644
--- a/drivers/target/target_core_spc.c
+++ b/drivers/target/target_core_spc.c
@@ -97,9 +97,12 @@ spc_emulate_inquiry_std(struct se_cmd *cmd, unsigned char *buf)
 
 	buf[7] = 0x2; /* CmdQue=1 */
 
-	snprintf(&buf[8], 8, "LIO-ORG");
-	snprintf(&buf[16], 16, "%s", dev->t10_wwn.model);
-	snprintf(&buf[32], 4, "%s", dev->t10_wwn.revision);
+	memcpy(&buf[8], "LIO-ORG ", 8);
+	memset(&buf[16], 0x20, 16);
+	memcpy(&buf[16], dev->t10_wwn.model,
+	       min_t(size_t, strlen(dev->t10_wwn.model), 16));
+	memcpy(&buf[32], dev->t10_wwn.revision,
+	       min_t(size_t, strlen(dev->t10_wwn.revision), 4));
 	buf[4] = 31; /* Set additional length to 31 */
 
 	return 0;