diff --git a/src/parser.zig b/src/parser.zig
index bad8f67..e8154ea 100644
--- a/src/parser.zig
+++ b/src/parser.zig
@@ -1256,11 +1256,19 @@ pub const Parser = struct {
             }
 
             // Method body is optional: `;` → declaration (foreign or inherited
-            // method we just want to call); `{ ... }` → sx-side implementation
-            // for sx-defined classes.
+            // method we just want to call); `{ ... }` → sx-side block body
+            // for sx-defined classes; `=> expr;` → expression-body form
+            // (M1.0), lowered as a single-statement block holding `expr`.
             var body_node: ?*Node = null;
             if (self.current.tag == .l_brace) {
                 body_node = try self.parseBlock();
+            } else if (self.current.tag == .fat_arrow) {
+                self.advance();
+                const expr = try self.parseExpr();
+                try self.expect(.semicolon);
+                const stmts = try self.allocator.alloc(*Node, 1);
+                stmts[0] = expr;
+                body_node = try self.createNode(expr.span.start, .{ .block = .{ .stmts = stmts } });
             } else {
                 try self.expect(.semicolon);
             }
diff --git a/tests/expected/140-expression-bodied-objc-method.exit b/tests/expected/140-expression-bodied-objc-method.exit
index d00491f..573541a 100644
--- a/tests/expected/140-expression-bodied-objc-method.exit
+++ b/tests/expected/140-expression-bodied-objc-method.exit
@@ -1 +1 @@
-1
+0
diff --git a/tests/expected/140-expression-bodied-objc-method.txt b/tests/expected/140-expression-bodied-objc-method.txt
index 57d4f6e..8b13789 100644
--- a/tests/expected/140-expression-bodied-objc-method.txt
+++ b/tests/expected/140-expression-bodied-objc-method.txt
@@ -1 +1 @@
-/Users/agra/projects/sx/examples/140-expression-bodied-objc-method.sx:15:35: error: expected ';'
+