diff --git a/source/dub/internal/vibecompat/data/serialization.d b/source/dub/internal/vibecompat/data/serialization.d
index 0f9b7c4..8216310 100644
--- a/source/dub/internal/vibecompat/data/serialization.d
+++ b/source/dub/internal/vibecompat/data/serialization.d
@@ -1230,7 +1230,7 @@
 	static struct S
 	{
 		int i;
-		ref int foo() { return i; }
+		ref int foo() return { return i; }
 	}
 
 	static assert(__traits(compiles, { S().serializeToJson(); }));
diff --git a/source/dub/internal/vibecompat/data/utils.d b/source/dub/internal/vibecompat/data/utils.d
index ace6a76..fd75584 100644
--- a/source/dub/internal/vibecompat/data/utils.d
+++ b/source/dub/internal/vibecompat/data/utils.d
@@ -194,7 +194,7 @@
 		// write-only property (NO)
 		@property void p3(int value) { privateJ = value; }
 		// ref returning property (OK)
-		@property ref int p4() { return i; }
+		@property ref int p4() return { return i; }
 		// parameter-less template property (OK)
 		@property ref int p5()() { return i; }
 		// not treated as a property by DMD, so not a field
@@ -204,7 +204,7 @@
 		static @property int p7() { return k; }
 		static @property void p7(int value) { k = value; }
 
-		ref int f1() { return i; } // ref returning function (no field)
+		ref int f1() return { return i; } // ref returning function (no field)
 
 		int f2(Args...)(Args args) { return i; }
 
@@ -309,7 +309,7 @@
 		enum c = 42;
 		void f();
 		static void g();
-		ref int h() { return a; }
+		ref int h() return { return a; }
 		static ref int i() { return b; }
 	}
 	static assert(isNonStaticMember!(S, "a"));