diff --git a/install.sh b/install.sh
index 3544a0d..e2786f5 100755
--- a/install.sh
+++ b/install.sh
@@ -119,6 +119,7 @@ function convertQuestionArgsToAskUserArgs() {
     choices=("${(s.,.)argValue}")
     [ "${#choices}" -ge 1 ] || return 11
     args=(choose)
+    findQuestionArgInInstruction 'validator' && args+=(-v ${argValue})
   fi
   return 0
 }
diff --git a/spec/convertQuestionArgsToAskUserArgs_spec.sh b/spec/convertQuestionArgsToAskUserArgs_spec.sh
index 0f1a816..0e2d677 100644
--- a/spec/convertQuestionArgsToAskUserArgs_spec.sh
+++ b/spec/convertQuestionArgsToAskUserArgs_spec.sh
@@ -53,6 +53,14 @@ Describe 'convertQuestionArgsToAskUserArgs'
     The variable '#choices' should eq 3
   End
 
+  It 'converts validator to -v option for choose'
+    args=() choices=() questionArgs='select;validator:is_file;choose from:blue,light green,red'
+    When call convertQuestionArgsToAskUserArgs
+    The variable args should eq 'choose -v is_file'
+    The variable choices should eq 'blue light green red'
+    The variable '#choices' should eq 3
+  End
+
   It 'finds choose from arg even if many args are provided'
     args=() choices=() questionArgs='select;first arg:red;choose from:blue,light green,red;after arg:nine;after arg:nine;'
     When call convertQuestionArgsToAskUserArgs