diff --git a/base/applications/regedit/regproc.c b/base/applications/regedit/regproc.c
index c17221df5ae..41ac7c6be8b 100644
--- a/base/applications/regedit/regproc.c
+++ b/base/applications/regedit/regproc.c
@@ -1392,7 +1392,7 @@ BOOL export_registry_key(WCHAR *file_name, WCHAR *reg_key_name, DWORD format)
     if (file) {
         fclose(file);
     }
-    HeapFree(GetProcessHeap(), 0, reg_key_name);
+    HeapFree(GetProcessHeap(), 0, reg_key_name_buf);
     HeapFree(GetProcessHeap(), 0, val_name_buf);
     HeapFree(GetProcessHeap(), 0, val_buf);
     HeapFree(GetProcessHeap(), 0, line_buf);