diff --git a/Changes b/Changes
index 1ebbc3f19..46ffccb0b 100644
--- a/Changes
+++ b/Changes
@@ -25,6 +25,7 @@ Verilator 5.011 devel
 * Fix crash on duplicate imported modules (#3231). [Robert Balas]
 * Fix false WIDTHEXPAND on array declarations (#3959). [JOTEGO]
 * Fix marking overridden methods as coroutines (#4120) (#4169). [Krzysztof Bieganski, Antmicro Ltd]
+* Fix SystemC signal copy macro use (#4135). [Josep Sans]
 * Fix duplicate static names in blocks in functions (#4144) (#4160). [Stefan Wallentowitz]
 * Fix initialization order of initial static after function/task (#4159). [Kamil Rakoczy, Antmicro Ltd]
 * Fix linking AstRefDType if it has parameterized class ref (#4164) (#4170). [Ryszard Rozak, Antmicro Ltd]
diff --git a/src/V3DfgAstToDfg.cpp b/src/V3DfgAstToDfg.cpp
index 1afaaddff..78a598742 100644
--- a/src/V3DfgAstToDfg.cpp
+++ b/src/V3DfgAstToDfg.cpp
@@ -437,6 +437,7 @@ class AstToDfgVisitor final : public VNVisitor {
     void visit(AstCell* nodep) override { markReferenced(nodep); }
     void visit(AstNodeProcedure* nodep) override { markReferenced(nodep); }
     void visit(AstVar* nodep) override {
+        if (nodep->isSc()) return;
         // No need to (and in fact cannot) handle variables with unsupported dtypes
         if (!DfgVertex::isSupportedDType(nodep->dtypep())) return;
         // Mark ports as having external references