diff --git a/mksh.spec b/mksh.spec
index f1b1004..85f5417 100644
--- a/mksh.spec
+++ b/mksh.spec
@@ -25,6 +25,7 @@ BuildRequires:    gcc
 BuildRequires:    util-linux
 BuildRequires:    ed
 BuildRequires:    perl-interpreter
+BuildRequires:    perl(Getopt::Std)
 BuildRequires:    sed
 
 %description