diff --git a/tests/virpcimock.c b/tests/virpcimock.c
index 1112a7215d..b7f4c11f80 100644
--- a/tests/virpcimock.c
+++ b/tests/virpcimock.c
@@ -511,6 +511,8 @@ pci_driver_new(const char *name, int fail, ...)
 
     if (VIR_APPEND_ELEMENT_QUIET(pciDrivers, nPCIDrivers, driver) < 0)
         ABORT_OOM();
+
+    VIR_FREE(driverpath);
 }
 
 static struct pciDriver *