diff --git a/src/V3LinkDot.cpp b/src/V3LinkDot.cpp
index f852e5f04..69daaf83c 100644
--- a/src/V3LinkDot.cpp
+++ b/src/V3LinkDot.cpp
@@ -3157,8 +3157,9 @@ private:
                     if (cextp->childDTypep() || cextp->dtypep()) continue;  // Already converted
                     AstClassOrPackageRef* const cpackagerefp
                         = VN_CAST(cextp->classOrPkgsp(), ClassOrPackageRef);
-                    if (!cpackagerefp) {
-                        cextp->v3error("Attempting to extend using a non-class ");
+                    if (VL_UNCOVERABLE(!cpackagerefp)) {
+                        // Linking the extend gives an error before this is hit
+                        cextp->v3error("Attempting to extend using non-class");  // LCOV_EXCL_LINE
                     } else {
                         VSymEnt* const foundp = m_curSymp->findIdFallback(cpackagerefp->name());
                         bool ok = false;
diff --git a/test_regress/t/t_dist_warn_coverage.pl b/test_regress/t/t_dist_warn_coverage.pl
index 85ce9260f..25a463a25 100755
--- a/test_regress/t/t_dist_warn_coverage.pl
+++ b/test_regress/t/t_dist_warn_coverage.pl
@@ -44,7 +44,6 @@ foreach my $s (
     'Assignment pattern with no members',
     'Assignment pattern with too many elements',
     'Attempted parameter setting of non-parameter: Param ',
-    'Attempting to extend using a non-class ',
     'Can\'t find varpin scope of ',
     'Can\'t resolve module reference: \'',
     'Cannot mix DPI import, DPI export, class methods, and/or public ',