diff --git a/packages/primevue/src/inputotp/InputOtp.vue b/packages/primevue/src/inputotp/InputOtp.vue
index f0fb48eb2f..dc3ce81dcc 100755
--- a/packages/primevue/src/inputotp/InputOtp.vue
+++ b/packages/primevue/src/inputotp/InputOtp.vue
@@ -166,7 +166,7 @@ export default {
                     break;
 
                 default:
-                    if ((this.integerOnly && !(Number(event.key) >= 0 && Number(event.key) <= 9)) || (this.tokens.join('').length >= this.length && event.code !== 'Delete')) {
+                    if ((this.integerOnly && !(event.code !== 'Space' && Number(event.key) >= 0 && Number(event.key) <= 9)) || (this.tokens.join('').length >= this.length && event.code !== 'Delete')) {
                         event.preventDefault();
                     }