diff --git a/scripts/tests.ts b/scripts/tests.ts
index 5e6a726..76028fb 100644
--- a/scripts/tests.ts
+++ b/scripts/tests.ts
@@ -21,11 +21,9 @@ const ping = async () => {
   };
 
   try {
-    const res = await DDBClient.instance.send(new ListTablesCommand({}));
-
-    console.log({ res });
+    await DDBClient.instance.send(new ListTablesCommand({}));
   } catch (error) {
-    console.log({ error });
+    console.error({ error });
 
     return false;
   }
diff --git a/src/expression.ts b/src/expression.ts
index 833e7de..4f97725 100644
--- a/src/expression.ts
+++ b/src/expression.ts
@@ -64,10 +64,6 @@ export const expressionAttributeValues = <
   for (const key of keys) {
     const value = options[key];
 
-    if (value === undefined) {
-      continue;
-    }
-
     if (!isDuenamoExpression(value)) {
       result[expressionAttributeValueKey(key)] = value;
 
@@ -116,10 +112,6 @@ export const conditionExpression = <
   for (const key of keys) {
     const value = options[key];
 
-    if (!value) {
-      continue;
-    }
-
     const nameKey = expressionAttributeNameKey(key);
     const valueKey = expressionAttributeValueKey(key);
 
diff --git a/test/expression.test.ts b/test/expression.test.ts
index ff95c40..109031d 100644
--- a/test/expression.test.ts
+++ b/test/expression.test.ts
@@ -120,3 +120,22 @@ test('Condition-Expression handles duenamo expression IN', t => {
 
   t.is(exp, '#foo IN (:foo_0, :foo_1, :foo_2, :foo_3)');
 });
+
+test('Condition-Expression handles equal expression and duenamo expression', t => {
+  const exp = conditionExpression({
+    id: NOT('1'),
+    name: 'username',
+    foo: IN('bar', 'baz'),
+  });
+
+  t.is(exp, '#id <> :id and #name = :name and #foo IN (:foo_0, :foo_1)');
+});
+
+test('Condition-Expression handles booleans', t => {
+  const exp = conditionExpression({
+    disabled: false,
+    name: 'username',
+  });
+
+  t.is(exp, '#disabled = :disabled and #name = :name');
+});