diff --git a/platform/qt/src/bidi.cpp b/platform/qt/src/bidi.cpp
index 99f09e8ef..184d1daf9 100644
--- a/platform/qt/src/bidi.cpp
+++ b/platform/qt/src/bidi.cpp
@@ -20,7 +20,7 @@ ProcessedBiDiText::ProcessedBiDiText(BiDi& p_bidi) : bidi(p_bidi) {
 }
 
 void ProcessedBiDiText::mergeParagraphLineBreaks(std::set<int32_t>& lineBreakPoints) {
-    lineBreakPoints.insert(impl->string.length());
+    lineBreakPoints.insert(bidi.impl->string.length());
 }
 
 std::vector<std::u16string>