diff --git a/src/main.c b/src/main.c
index 20fdc2be..d09489c0 100644
--- a/src/main.c
+++ b/src/main.c
@@ -174,6 +174,8 @@ load_hsts (void)
 
       if (filename)
         {
+          DEBUGP (("Reading HSTS entries from %s\n", filename));
+
           hsts_store = hsts_store_open (filename);
 
           if (!hsts_store)
@@ -195,6 +197,9 @@ save_hsts (void)
     {
       char *filename = get_hsts_database ();
 
+      if (filename)
+        DEBUGP (("Saving HSTS entries to %s\n", filename));
+
       hsts_store_save (hsts_store, filename);
       hsts_store_close (hsts_store);