diff --git a/crates/oxc_prettier/src/format/assignment.rs b/crates/oxc_prettier/src/format/assignment.rs
index 2e003b54e..fe938878a 100644
--- a/crates/oxc_prettier/src/format/assignment.rs
+++ b/crates/oxc_prettier/src/format/assignment.rs
@@ -1,8 +1,8 @@
 use oxc_ast::{
     ast::{
         AccessorProperty, AssignmentExpression, AssignmentTarget, AssignmentTargetPattern,
-        AssignmentTargetProperty, BindingPatternKind, Expression, PropertyDefinition, Statement,
-        VariableDeclarator,
+        AssignmentTargetProperty, BindingPatternKind, Expression, ObjectProperty,
+        PropertyDefinition, PropertyKind, Statement, VariableDeclarator,
     },
     AstKind,
 };
@@ -49,6 +49,7 @@ pub(super) enum AssignmentLikeNode<'a, 'b> {
     VariableDeclarator(&'b VariableDeclarator<'a>),
     PropertyDefinition(&'b PropertyDefinition<'a>),
     AccessorProperty(&'b AccessorProperty<'a>),
+    ObjectProperty(&'b ObjectProperty<'a>),
 }
 
 impl<'a, 'b> From<ClassMemberish<'a, 'b>> for AssignmentLikeNode<'a, 'b> {
@@ -209,7 +210,7 @@ fn choose_layout<'a>(
                     | Expression::ClassExpression(_)
             ))
     {
-        return Layout::BreakAfterOperator;
+        return Layout::NeverBreakAfterOperator;
     }
 
     Layout::Fluid
@@ -279,6 +280,7 @@ fn is_arrow_function_variable_declarator(expr: &AssignmentLikeNode) -> bool {
         }
         AssignmentLikeNode::AssignmentExpression(_)
         | AssignmentLikeNode::PropertyDefinition(_)
+        | AssignmentLikeNode::ObjectProperty(_)
         | AssignmentLikeNode::AccessorProperty(_) => false,
     }
 }
@@ -288,5 +290,11 @@ fn is_object_property_with_short_key<'a>(
     expr: &AssignmentLikeNode<'a, '_>,
     left_doc: &Doc<'a>,
 ) -> bool {
-    false
+    let AssignmentLikeNode::ObjectProperty(object_prop) = expr else { return false };
+
+    if object_prop.method || object_prop.kind != PropertyKind::Init {
+        return false;
+    }
+
+    true
 }
diff --git a/crates/oxc_prettier/src/format/mod.rs b/crates/oxc_prettier/src/format/mod.rs
index 3eb8d3c16..9d626849a 100644
--- a/crates/oxc_prettier/src/format/mod.rs
+++ b/crates/oxc_prettier/src/format/mod.rs
@@ -1439,10 +1439,7 @@ impl<'a> Format<'a> for ObjectPropertyKind<'a> {
 impl<'a> Format<'a> for ObjectProperty<'a> {
     fn format(&self, p: &mut Prettier<'a>) -> Doc<'a> {
         wrap!(p, self, ObjectProperty, {
-            // Perf: Use same print function with BindingProperty
-            if self.shorthand {
-                self.key.format(p)
-            } else {
+            if self.method || self.kind == PropertyKind::Get || self.kind == PropertyKind::Set {
                 let mut parts = p.vec();
                 let mut method = self.method;
                 match self.kind {
@@ -1471,8 +1468,22 @@ impl<'a> Format<'a> for ObjectProperty<'a> {
                     parts.push(ss!(": "));
                     parts.push(format!(p, self.value));
                 }
-                Doc::Group(Group::new(parts, false))
+                return Doc::Group(Group::new(parts, false));
             }
+
+            if self.shorthand {
+                return self.value.format(p);
+            }
+
+            let left_doc = format!(p, self.key);
+
+            assignment::print_assignment(
+                p,
+                assignment::AssignmentLikeNode::ObjectProperty(self),
+                left_doc,
+                ss!(":"),
+                Some(&self.value),
+            )
         })
     }
 }
diff --git a/tasks/prettier_conformance/prettier.snap.md b/tasks/prettier_conformance/prettier.snap.md
index 6feae136a..bbb1e8009 100644
--- a/tasks/prettier_conformance/prettier.snap.md
+++ b/tasks/prettier_conformance/prettier.snap.md
@@ -1,4 +1,4 @@
-Compatibility: 211/561 (37.61%)
+Compatibility: 210/561 (37.43%)
 
 # Failed
 
@@ -59,6 +59,7 @@ Compatibility: 211/561 (37.61%)
 * assignment-comments/call2.js
 * assignment-comments/function.js
 * assignment-comments/identifier.js
+* assignment-comments/number.js
 * assignment-comments/string.js
 
 ### async