diff --git a/package.json b/package.json
index f54476f..7e258c0 100644
--- a/package.json
+++ b/package.json
@@ -13,12 +13,10 @@
   ],
   "dependencies": {
     "@breejs/later": "^4.2.0",
-    "boolean": "^3.2.0",
     "combine-errors": "^3.0.3",
     "cron-validate": "^1.4.5",
     "human-interval": "^2.0.1",
-    "is-string-and-not-blank": "^0.0.2",
-    "is-valid-path": "^0.1.1",
+    "is-invalid-path": "^0.1.0",
     "ms": "^2.1.3",
     "p-wait-for": "3",
     "safe-timers": "^1.1.0"
diff --git a/src/index.js b/src/index.js
index e463705..f703964 100644
--- a/src/index.js
+++ b/src/index.js
@@ -9,12 +9,12 @@ const { Worker } = require('node:worker_threads');
 const { join, resolve } = require('node:path');
 const { debuglog } = require('node:util');
 const combineErrors = require('combine-errors');
-const isSANB = require('is-string-and-not-blank');
-const isValidPath = require('is-valid-path');
+const isInvalidPath = require('is-invalid-path');
 const later = require('@breejs/later');
 const pWaitFor = require('p-wait-for');
 const { setTimeout, setInterval } = require('safe-timers');
 const {
+  isSANB,
   isSchedule,
   getName,
   getHumanToMs,
@@ -203,7 +203,7 @@ class Bree extends EventEmitter {
     // <https://nodejs.org/api/esm.html#esm_mandatory_file_extensions>
     if (
       isSANB(this.config.root) /* istanbul ignore next */ &&
-      isValidPath(this.config.root)
+      !isInvalidPath(this.config.root)
     ) {
       const stats = await fs.promises.stat(this.config.root);
       if (!stats.isDirectory()) {
diff --git a/src/job-builder.js b/src/job-builder.js
index 4e77964..19e05b3 100644
--- a/src/job-builder.js
+++ b/src/job-builder.js
@@ -1,9 +1,7 @@
 const { join } = require('node:path');
-const isSANB = require('is-string-and-not-blank');
-const isValidPath = require('is-valid-path');
+const isInvalidPath = require('is-invalid-path');
 const later = require('@breejs/later');
-const { boolean } = require('boolean');
-const { isSchedule, parseValue, getJobPath } = require('./job-utils');
+const { isSANB, isSchedule, parseValue, getJobPath } = require('./job-utils');
 
 later.date.localTime();
 
@@ -66,14 +64,14 @@ const buildJob = (job, config) => {
           )
         );
 
-    if (isValidPath(path)) {
-      job.path = path;
-    } else {
+    if (isInvalidPath(path)) {
       // Assume that it's a transformed eval string
       job.worker = {
         eval: true,
         ...job.worker
       };
+    } else {
+      job.path = path;
     }
   }
 
@@ -93,9 +91,7 @@ const buildJob = (job, config) => {
     } else {
       job.interval = later.parse.cron(
         job.cron,
-        boolean(
-          job.hasSeconds === undefined ? config.hasSeconds : job.hasSeconds
-        )
+        job.hasSeconds === undefined ? config.hasSeconds : job.hasSeconds
       );
     }
   }
diff --git a/src/job-utils.js b/src/job-utils.js
index 2d6037b..8bb445c 100644
--- a/src/job-utils.js
+++ b/src/job-utils.js
@@ -1,8 +1,17 @@
 const humanInterval = require('human-interval');
-const isSANB = require('is-string-and-not-blank');
 const later = require('@breejs/later');
 const ms = require('ms');
 
+/**
+ * Returns true if `val` is a string and it's not blank.
+ *
+ * @param {any} value
+ * @returns {boolean}
+ */
+const isSANB = (value) => {
+  return typeof value === 'string' && value.trim().length > 0;
+};
+
 /**
  * Naively checks if passed value is of later.js schedule format (https://breejs.github.io/later/schedules.html)
  *
@@ -124,6 +133,7 @@ module.exports = {
   getJobNames,
   getJobPath,
   getName,
+  isSANB,
   isSchedule,
   parseValue
 };
diff --git a/src/job-validator.js b/src/job-validator.js
index d0c6bb7..850654e 100644
--- a/src/job-validator.js
+++ b/src/job-validator.js
@@ -2,9 +2,14 @@ const fs = require('node:fs');
 const { join } = require('node:path');
 const combineErrors = require('combine-errors');
 const cron = require('cron-validate');
-const isSANB = require('is-string-and-not-blank');
-const isValidPath = require('is-valid-path');
-const { getName, isSchedule, parseValue, getJobPath } = require('./job-utils');
+const isInvalidPath = require('is-invalid-path');
+const {
+  getName,
+  isSANB,
+  isSchedule,
+  parseValue,
+  getJobPath
+} = require('./job-utils');
 
 const validateReservedJobName = (name) => {
   // Don't allow a job to have the `index` file name
@@ -89,7 +94,7 @@ const validateJobPath = async (job, prefix, config) => {
             config.defaultExtension
           )
         );
-    if (isValidPath(path)) {
+    if (!isInvalidPath(path)) {
       try {
         const stats = await fs.promises.stat(path);
         if (!stats.isFile()) {