diff --git a/tests/qemucapsprobe.c b/tests/qemucapsprobe.c
index c7e8f3309d..ea88fd2e8a 100644
--- a/tests/qemucapsprobe.c
+++ b/tests/qemucapsprobe.c
@@ -55,6 +55,8 @@ main(int argc, char **argv)
 
     VIR_TEST_PRELOAD(mock);
 
+    virFileActivateDirOverrideForProg(argv[0]);
+
     if (argc != 2) {
         fprintf(stderr, "%s QEMU_binary\n", argv[0]);
         return EXIT_FAILURE;