diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index f0826fcf4e92..df251d9192df 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -245,7 +245,7 @@ const submitText = computed((): string => {
 });
 
 const textLength = computed((): number => {
-	return (text.value + imeText.value).trim().length;
+	return (text.value + imeText.value).length;
 });
 
 const maxTextLength = computed((): number => {