diff --git a/src/runestone.jl b/src/runestone.jl
index 36d1381..2fc36a0 100644
--- a/src/runestone.jl
+++ b/src/runestone.jl
@@ -2509,8 +2509,9 @@ function indent_module(ctx::Context, node::Node)
         @assert kind(id_node) in KSet"Identifier var"
         block_idx = 4
     else
-        # This can be reached if the module name is interpolated for example
-        @assert kind(first_leaf(space_node)) === K"Whitespace"
+        # This can be reached if the module name is interpolated or parenthesized, for
+        # example.
+        @assert kind(first_leaf(space_node)) in KSet"Whitespace ("
         @assert !JuliaSyntax.is_whitespace(space_node)
         block_idx = 3
     end
diff --git a/test/runtests.jl b/test/runtests.jl
index a0a0a9f..173361b 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -625,6 +625,9 @@ end
             # interpolated module name
             @test format_string("$(b)module \$A\n$(sp)x\n$(sp)end\nf") ==
                 "$(b)module \$A\n    x\nend\nf"
+            # parenthesized module name (Why....)
+            @test format_string("$(b)module(A)\n$(sp)x\n$(sp)end\nf") ==
+                "$(b)module(A)\n    x\nend\nf"
             @test format_string("$(b)module \$(A)\n$(sp)x\n$(sp)end\nf") ==
                 "$(b)module \$(A)\n    x\nend\nf"
             # single line module