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-rw-r--r--module/srfi/srfi-37.scm3
1 files changed, 2 insertions, 1 deletions
diff --git a/module/srfi/srfi-37.scm b/module/srfi/srfi-37.scm
index 3f654af2c..c34b0d083 100644
--- a/module/srfi/srfi-37.scm
+++ b/module/srfi/srfi-37.scm
@@ -217,7 +217,8 @@ program-arguments in ARGS, as decided by the OPTIONS'
(if (null? args)
(apply values seeds)
(let ((arg (car args)))
- (cond ((or (not (char=? #\- (string-ref arg 0)))
+ (cond ((or (string-null? arg)
+ (not (char=? #\- (string-ref arg 0)))
(= 1 (string-length arg))) ;"-"
(mutate-seeds! operand-proc arg)
(set! args (cdr args)))