diff --git a/src/c/error.d b/src/c/error.d
index 8e9ea3fa0..4ae710b9b 100644
--- a/src/c/error.d
+++ b/src/c/error.d
@@ -71,6 +71,7 @@ ecl_thread_internal_error(const char *s)
     fprintf(stderr, "  [%d: %s]\n", saved_errno,
             strerror(saved_errno));
   }
+  _ecl_dump_c_backtrace();
   fprintf(stderr,
           "\nDid you forget to call `ecl_import_current_thread'?\n"
           "Exitting thread.\n");