diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index 6169bbf7a015386bcdf9c08e4f31a9f5861c2689..f0d8e9e9c5e5976fe2a9af548fec2ae46320e970 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -759,6 +759,7 @@ int64_t qmp_guest_fsfreeze_thaw(Error **errp)
     ret = qmp_guest_fsfreeze_do_thaw(errp);
     if (ret >= 0) {
         ga_unset_frozen(ga_state);
+        slog("guest-fsthaw called");
         execute_fsfreeze_hook(FSFREEZE_HOOK_THAW, errp);
     } else {
         ret = 0;
diff --git a/qga/commands-win32.c b/qga/commands-win32.c
index 697c65507caa06889e4aae01cebe9f87e35eb4b0..656d1459f14858ee8aa04a3bfb6d27261e20a853 100644
--- a/qga/commands-win32.c
+++ b/qga/commands-win32.c
@@ -1275,6 +1275,9 @@ int64_t qmp_guest_fsfreeze_thaw(Error **errp)
     qga_vss_fsfreeze(&i, false, NULL, errp);
 
     ga_unset_frozen(ga_state);
+
+    slog("guest-fsthaw called");
+
     return i;
 }