diff --git a/src/cli-normalizer.js b/src/cli-normalizer.js
index 56e030ec0..a9128aec1 100644
--- a/src/cli-normalizer.js
+++ b/src/cli-normalizer.js
@@ -36,7 +36,7 @@ function normalizeDetailOptions(detailOptions) {
         switch (option.type) {
           case "int":
             validator.validateIntOption(normalizedValue, normalizedOption);
-            break;
+            return Number(normalizedValue);
           case "choice":
             validator.validateChoiceOption(normalizedValue, normalizedOption);
             break;
diff --git a/src/cli-util.js b/src/cli-util.js
index bf15eae70..012cb05da 100644
--- a/src/cli-util.js
+++ b/src/cli-util.js
@@ -36,7 +36,7 @@ function getOptions(argv) {
 }
 
 function getIntOption(argv, optionName) {
-  return Number(argv[optionName]);
+  return argv[optionName];
 }
 
 function getTrailingComma(argv) {