diff --git a/external/opal-prd/i2c.c b/external/opal-prd/i2c.c
index fbe2e9bb6265..ba4b3c85f98e 100644
--- a/external/opal-prd/i2c.c
+++ b/external/opal-prd/i2c.c
@@ -193,6 +193,7 @@ static void i2c_add_bus(uint32_t chip, uint32_t engine, uint32_t port,
 	if (asprintf(&dn, "/dev/%s", devname) < 0) {
 		pr_log(LOG_ERR, "I2C: Error creating devpath for %s: %m",
 			devname);
+		free(b);
 		return;
 	}