diff --git a/compiler/src/dotty/tools/dotc/ast/Desugar.scala b/compiler/src/dotty/tools/dotc/ast/Desugar.scala
index c515ca94c93c..9d4c0d66e2e4 100644
--- a/compiler/src/dotty/tools/dotc/ast/Desugar.scala
+++ b/compiler/src/dotty/tools/dotc/ast/Desugar.scala
@@ -298,7 +298,7 @@ object desugar {
             rhs = vparam.rhs
           )
           .withMods(Modifiers(
-            meth.mods.flags & (AccessFlags | Synthetic),
+            meth.mods.flags & (AccessFlags | Synthetic) | (vparam.mods.flags & Inline),
             meth.mods.privateWithin))
         val rest = defaultGetters(vparams :: paramss1, n + 1)
         if vparam.rhs.isEmpty then rest else defaultGetter :: rest
diff --git a/tests/pos-macros/i11835/X.scala b/tests/pos-macros/i11835/X.scala
new file mode 100644
index 000000000000..ccc05e9e57c3
--- /dev/null
+++ b/tests/pos-macros/i11835/X.scala
@@ -0,0 +1,12 @@
+import scala.quoted.*
+
+object X:
+  inline def blah(inline b: Boolean = true): Unit =
+    ${ _blah('b) }
+
+  private def _blah(b: Expr[Boolean])(using Quotes): Expr[Unit] =
+    import quotes.reflect.*
+    println("="*120)
+    println(b.asTerm)
+    println(b.valueOrError)
+    '{()}
diff --git a/tests/pos-macros/i11835/Y.scala b/tests/pos-macros/i11835/Y.scala
new file mode 100644
index 000000000000..6ad25ea0faec
--- /dev/null
+++ b/tests/pos-macros/i11835/Y.scala
@@ -0,0 +1,3 @@
+object Y:
+  X.blah(true) // ok
+  X.blah()     // error