diff --git a/src/debug.c b/src/debug.c
index 292db555..1dd37234 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -46,6 +46,7 @@
 #include "util.h"
 #include "ath.h"
 #include "sema.h"
+#include "sys-util.h"
 #include "debug.h"
 
 
@@ -207,7 +208,16 @@ debug_init (void)
   UNLOCK (debug_lock);
 
   if (debug_level > 0)
-    _gpgme_debug (DEBUG_INIT, "gpgme_debug: level=%d\n", debug_level);
+    {
+      _gpgme_debug (DEBUG_INIT, "gpgme_debug: level=%d\n", debug_level);
+#ifdef HAVE_W32_SYSTEM
+      {
+        const char *name = _gpgme_get_inst_dir ();
+        _gpgme_debug (DEBUG_INIT, "gpgme_debug: gpgme='%s'\n",
+                      name? name: "?");
+      }
+#endif
+    }
 }
 
 
diff --git a/src/sys-util.h b/src/sys-util.h
index 7180fca3..589634b2 100644
--- a/src/sys-util.h
+++ b/src/sys-util.h
@@ -27,4 +27,8 @@ int _gpgme_set_default_gpgconf_name (const char *name);
 char *_gpgme_get_gpg_path (void);
 char *_gpgme_get_gpgconf_path (void);
 
+#ifdef HAVE_W32_SYSTEM
+const char *_gpgme_get_inst_dir (void);
+#endif
+
 #endif /* SYS_UTIL_H */