diff --git a/src/V3Inline.cpp b/src/V3Inline.cpp
index 14d384f61..df4125848 100644
--- a/src/V3Inline.cpp
+++ b/src/V3Inline.cpp
@@ -322,6 +322,15 @@ private:
                     new AstAssignW(nodep->fileline(),
                                    new AstVarRef(nodep->fileline(), exprvarrefp->varp(), true),
                                    new AstVarRef(nodep->fileline(), nodep, false)));
+            } else if (nodep->isSigPublic() && VN_IS(nodep->dtypep(), UnpackArrayDType)) {
+                // Public variable at this end and it is an unpacked array. We need to assign
+                // instead of aliased, because otherwise it will pass V3Slice and invalid
+                // code will be emitted.
+                UINFO(9,"assign to public and unpacked: "<<nodep<<endl);
+                m_modp->addStmtp(
+                    new AstAssignW(nodep->fileline(),
+                                   new AstVarRef(nodep->fileline(), exprvarrefp->varp(), true),
+                                   new AstVarRef(nodep->fileline(), nodep, false)));
             } else if (nodep->isIfaceRef()) {
                 m_modp->addStmtp(
                     new AstAssignVarScope(nodep->fileline(),
diff --git a/test_regress/t/t_array_unpacked_public.pl b/test_regress/t/t_array_unpacked_public.pl
new file mode 100755
index 000000000..1bb1cc973
--- /dev/null
+++ b/test_regress/t/t_array_unpacked_public.pl
@@ -0,0 +1,21 @@
+#!/usr/bin/perl
+if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; }
+# DESCRIPTION: Verilator: Verilog Test driver/expect definition
+#
+# Copyright 2003 by Wilson Snyder. This program is free software; you can
+# redistribute it and/or modify it under the terms of either the GNU
+# Lesser General Public License Version 3 or the Perl Artistic License
+# Version 2.0.
+
+scenarios(simulator => 1);
+
+compile(
+    verilator_flags2 => ["--public-flat-rw"],
+    );
+
+execute(
+    check_finished => 1,
+    );
+
+ok(1);
+1;
diff --git a/test_regress/t/t_array_unpacked_public.v b/test_regress/t/t_array_unpacked_public.v
new file mode 100644
index 000000000..556b85a98
--- /dev/null
+++ b/test_regress/t/t_array_unpacked_public.v
@@ -0,0 +1,21 @@
+// DESCRIPTION: Verilator: Verilog Test module
+//
+// This file ONLY is placed into the Public Domain, for any use,
+// without warranty, 2020 by Stefan Wallentowitz
+
+module t();
+  logic din [0:15];
+
+  array_test array_test_inst(.din(din));
+
+  initial begin
+    $write("*-* All Finished *-*\n");
+    $finish;
+  end
+endmodule
+
+module array_test(
+    input din [0:15]
+);
+
+endmodule
\ No newline at end of file