diff --git a/modules/skparagraph/src/Run.h b/modules/skparagraph/src/Run.h
index acc3537..65ed787 100644
--- a/modules/skparagraph/src/Run.h
+++ b/modules/skparagraph/src/Run.h
@@ -301,7 +301,11 @@
 class InternalLineMetrics {
 public:
 
-    InternalLineMetrics() { clean(); }
+    InternalLineMetrics() {
+        clean();
+        fForceStrut = false;
+    }
+
     InternalLineMetrics(bool forceStrut) {
         clean();
         fForceStrut = forceStrut;