diff --git a/library/src/schemas/nonNullish/nonNullish.ts b/library/src/schemas/nonNullish/nonNullish.ts
index cebfac193..175e9ff90 100644
--- a/library/src/schemas/nonNullish/nonNullish.ts
+++ b/library/src/schemas/nonNullish/nonNullish.ts
@@ -43,7 +43,7 @@ export function nonNullish<TWrapped extends BaseSchema>(
     message,
     _parse(input, config) {
       // In input is `null` or `undefined`, return schema issue
-      if (input === null || input === undefined) {
+      if (input == null) {
         return schemaIssue(this, nonNullish, input, config);
       }
 
diff --git a/library/src/schemas/nonNullish/nonNullishAsync.ts b/library/src/schemas/nonNullish/nonNullishAsync.ts
index 63a3bcd30..45b382669 100644
--- a/library/src/schemas/nonNullish/nonNullishAsync.ts
+++ b/library/src/schemas/nonNullish/nonNullishAsync.ts
@@ -47,7 +47,7 @@ export function nonNullishAsync<TWrapped extends BaseSchema | BaseSchemaAsync>(
     message,
     async _parse(input, config) {
       // In input is `null` or `undefined`, return schema issue
-      if (input === null || input === undefined) {
+      if (input == null) {
         return schemaIssue(this, nonNullishAsync, input, config);
       }
 
diff --git a/library/src/schemas/nullish/nullish.ts b/library/src/schemas/nullish/nullish.ts
index 0d79336d4..a8dbfcaab 100644
--- a/library/src/schemas/nullish/nullish.ts
+++ b/library/src/schemas/nullish/nullish.ts
@@ -72,7 +72,7 @@ export function nullish<
     _parse(input, config) {
       // If input is `null` or `undefined`, return typed schema result or
       // override it with default value
-      if (input === null || input === undefined) {
+      if (input == null) {
         const override = getDefault(this);
         if (override === undefined) {
           return schemaResult(true, input);
diff --git a/library/src/schemas/nullish/nullishAsync.ts b/library/src/schemas/nullish/nullishAsync.ts
index 2ead8bc3b..70a56f721 100644
--- a/library/src/schemas/nullish/nullishAsync.ts
+++ b/library/src/schemas/nullish/nullishAsync.ts
@@ -85,7 +85,7 @@ export function nullishAsync<
     async _parse(input, config) {
       // If input is `null` or `undefined`, return typed schema result or
       // override it with default value
-      if (input === null || input === undefined) {
+      if (input == null) {
         const override = await getDefaultAsync(this);
         if (override === undefined) {
           return schemaResult(true, input);