diff --git a/libguile/eval.c b/libguile/eval.c
index 17fbdc632..c2307c550 100644
--- a/libguile/eval.c
+++ b/libguile/eval.c
@@ -1686,7 +1686,8 @@ scm_option_t scm_debug_opts[] = {
   { SCM_OPTION_INTEGER, "depth", 20, "Maximal length of printed backtrace." },
   { SCM_OPTION_BOOLEAN, "backtrace", 0, "Show backtrace on error." },
   { SCM_OPTION_BOOLEAN, "debug", 0, "Use the debugging evaluator." },
-  { SCM_OPTION_INTEGER, "stack", 20000, "Stack size limit (measured in words; 0 = no check)." }
+  { SCM_OPTION_INTEGER, "stack", 20000, "Stack size limit (measured in words; 0 = no check)." },
+  { SCM_OPTION_SCM, "show-file-name", SCM_BOOL_T, "Show file names and line numbers in backtraces when not `#f'.  A value of `base' displays only base names, while `#t' displays full names."}
 };
 
 scm_option_t scm_evaluator_trap_table[] = {