diff --git a/lib/types/keys.js b/lib/types/keys.js
index fc813e11..5b3b7024 100755
--- a/lib/types/keys.js
+++ b/lib/types/keys.js
@@ -144,7 +144,10 @@ module.exports = Any.extend({
 
         if (schema.$_terms.dependencies) {
             for (const dep of schema.$_terms.dependencies) {
-                if (!internals.isPresent(dep.key && dep.key.resolve(value, state, prefs, null, { shadow: false }), dep.options)) {
+                if (
+                    dep.key !== null &&
+                    internals.isPresent(dep.key.resolve(value, state, prefs, null, { shadow: false }), dep.options) === false
+                ) {
 
                     continue;
                 }