diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index a11829b04b..4696f25a86 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -1345,7 +1345,7 @@ defineExpose({
 	grid-template-columns: repeat(auto-fill, minmax(42px, 1fr));
 	grid-auto-rows: 40px;
 	overflow: scroll;
-	max-width: 80%;
+	max-width: 85%;
 	-ms-overflow-style: none;
 	scrollbar-width: none;
 
diff --git a/packages/frontend/src/components/MkPostFormSimple.vue b/packages/frontend/src/components/MkPostFormSimple.vue
index 8f0ee2b585..58be4ffa2e 100644
--- a/packages/frontend/src/components/MkPostFormSimple.vue
+++ b/packages/frontend/src/components/MkPostFormSimple.vue
@@ -1394,7 +1394,7 @@ defineExpose({
 	grid-template-columns: repeat(auto-fill, minmax(42px, 1fr));
 	grid-auto-rows: 40px;
 	overflow: scroll;
-	max-width: 80%;
+	max-width: 85%;
 	-ms-overflow-style: none;
 	scrollbar-width: none;