diff --git a/gcc/cp/decl2.cc b/gcc/cp/decl2.cc
index f95529a5c9a..00ed64d1691 100644
--- a/gcc/cp/decl2.cc
+++ b/gcc/cp/decl2.cc
@@ -5600,7 +5600,7 @@ mark_single_function (tree expr, tsubst_flags_t complain)
 
   if (is_overloaded_fn (expr) == 1
       && !mark_used (expr, complain)
-      && (complain & tf_error))
+      && !(complain & tf_error))
     return false;
   return true;
 }
diff --git a/gcc/testsuite/g++.dg/cpp2a/concepts-requires34.C b/gcc/testsuite/g++.dg/cpp2a/concepts-requires34.C
new file mode 100644
index 00000000000..5bbd62f6d8e
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp2a/concepts-requires34.C
@@ -0,0 +1,19 @@
+// PR c++/108282
+// { dg-do compile { target c++20 } }
+
+template<class T>
+concept TEST = requires { T::TT; };
+
+struct C { };
+
+template<class AT>
+struct B {
+  static void TT() requires TEST<AT>;
+};
+
+int main() {
+  static_assert( !TEST<C> );
+  static_assert( !TEST<B<C>> );
+
+  B<C>::TT();  // { dg-error "no match" }
+}