diff --git a/src/V3Fork.cpp b/src/V3Fork.cpp
index 605abdd2d..993924a09 100644
--- a/src/V3Fork.cpp
+++ b/src/V3Fork.cpp
@@ -443,12 +443,12 @@ class DynScopeVisitor final : public VNVisitor {
             if (!isEvent && m_afterTimingControl && nodep->varp()->isWritable()
                 && nodep->access().isWriteOrRW()) {
                 // The output variable may not exist after a delay, so we can't just write to it
-                    nodep->v3error(
-                        "Writing to an "
-                        << nodep->varp()->verilogKwd()
-                        << " variable of a "
-                        << (m_inFunc ? "function" : "task")
-                        << " after a timing control is not allowed");
+                nodep->v3error(
+                    "Writing to an "
+                    << nodep->varp()->verilogKwd()
+                    << " automatic variable of a "
+                    << (m_inFunc ? "function" : "task")
+                    << " after a timing control is not allowed");
             }
             if (!framep->instance().initialized()) framep->createInstancePrototype();
             framep->captureVarInsert(nodep->varp());
diff --git a/test_regress/t/t_timing_func_fork_bad.out b/test_regress/t/t_timing_func_fork_bad.out
index b9fa6bbce..f6cd4adb5 100644
--- a/test_regress/t/t_timing_func_fork_bad.out
+++ b/test_regress/t/t_timing_func_fork_bad.out
@@ -1,41 +1,41 @@
-%Error: t/t_timing_func_fork_bad.v:13:9: Writing to an output variable of a function after a timing control is not allowed
+%Error: t/t_timing_func_fork_bad.v:13:9: Writing to an output automatic variable of a function after a timing control is not allowed
                                        : ... note: In instance 't'
    13 |         f1 = 0;
       |         ^~
         ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance.
-%Error: t/t_timing_func_fork_bad.v:14:9: Writing to an output variable of a function after a timing control is not allowed
+%Error: t/t_timing_func_fork_bad.v:14:9: Writing to an output automatic variable of a function after a timing control is not allowed
                                        : ... note: In instance 't'
    14 |         o1 = 0;
       |         ^~
-%Error: t/t_timing_func_fork_bad.v:22:9: Writing to an output variable of a function after a timing control is not allowed
+%Error: t/t_timing_func_fork_bad.v:22:9: Writing to an output automatic variable of a function after a timing control is not allowed
                                        : ... note: In instance 't'
    22 |         f2 = #5 0;
       |         ^~
-%Error: t/t_timing_func_fork_bad.v:24:9: Writing to an inout variable of a function after a timing control is not allowed
+%Error: t/t_timing_func_fork_bad.v:24:9: Writing to an inout automatic variable of a function after a timing control is not allowed
                                        : ... note: In instance 't'
    24 |         io2 = 0;
       |         ^~~
-%Error: t/t_timing_func_fork_bad.v:34:9: Writing to an output variable of a function after a timing control is not allowed
+%Error: t/t_timing_func_fork_bad.v:34:9: Writing to an output automatic variable of a function after a timing control is not allowed
                                        : ... note: In instance 't'
    34 |         f3 = 0;
       |         ^~
-%Error: t/t_timing_func_fork_bad.v:35:9: Writing to an output variable of a function after a timing control is not allowed
+%Error: t/t_timing_func_fork_bad.v:35:9: Writing to an output automatic variable of a function after a timing control is not allowed
                                        : ... note: In instance 't'
    35 |         o3 = 0;
       |         ^~
-%Error: t/t_timing_func_fork_bad.v:43:9: Writing to an output variable of a function after a timing control is not allowed
+%Error: t/t_timing_func_fork_bad.v:43:9: Writing to an output automatic variable of a function after a timing control is not allowed
                                        : ... note: In instance 't'
    43 |         f4 = @e 0;
       |         ^~
-%Error: t/t_timing_func_fork_bad.v:45:9: Writing to an inout variable of a function after a timing control is not allowed
+%Error: t/t_timing_func_fork_bad.v:45:9: Writing to an inout automatic variable of a function after a timing control is not allowed
                                        : ... note: In instance 't'
    45 |         io4 = 0;
       |         ^~~
-%Error: t/t_timing_func_fork_bad.v:56:9: Writing to an output variable of a function after a timing control is not allowed
+%Error: t/t_timing_func_fork_bad.v:56:9: Writing to an output automatic variable of a function after a timing control is not allowed
                                        : ... note: In instance 't'
    56 |         f5 = 0;
       |         ^~
-%Error: t/t_timing_func_fork_bad.v:57:9: Writing to an output variable of a function after a timing control is not allowed
+%Error: t/t_timing_func_fork_bad.v:57:9: Writing to an output automatic variable of a function after a timing control is not allowed
                                        : ... note: In instance 't'
    57 |         o5 = 0;
       |         ^~