diff --git a/src/V3LinkDot.cpp b/src/V3LinkDot.cpp
index d0a5e3b90..d6d29d5bd 100644
--- a/src/V3LinkDot.cpp
+++ b/src/V3LinkDot.cpp
@@ -1092,8 +1092,8 @@ class LinkDotFindVisitor final : public VNVisitor {
                     } else {
                         findvarp->combineType(nodep);
                         findvarp->fileline()->modifyStateInherit(nodep->fileline());
-                        if (nodep->getChildDTypep()->numeric().isSigned() && 
-                        !findvarp->getChildDTypep()->numeric().isSigned()) {
+                        if (nodep->getChildDTypep()->numeric().isSigned()
+                            && !findvarp->getChildDTypep()->numeric().isSigned()) {
                             findvarp->getChildDTypep()->numeric(VSigning(true));
                         }
                         AstBasicDType* const bdtypep
diff --git a/test_regress/t/t_math_signed_calc.pl b/test_regress/t/t_math_signed_calc.pl
old mode 100644
new mode 100755