diff --git a/sys/dev/ahci/ahci.c b/sys/dev/ahci/ahci.c
index ab782eb29b92..b41069ec45bb 100644
--- a/sys/dev/ahci/ahci.c
+++ b/sys/dev/ahci/ahci.c
@@ -2047,6 +2047,7 @@ ahci_issue_read_log(device_t dev)
 	ataio = &ccb->ataio;
 	ataio->data_ptr = malloc(512, M_AHCI, M_NOWAIT);
 	if (ataio->data_ptr == NULL) {
+		xpt_free_ccb(ccb);
 		device_printf(dev, "Unable allocate memory for READ LOG command");
 		return; /* XXX */
 	}