diff --git a/lldb/source/Symbol/Symbol.cpp b/lldb/source/Symbol/Symbol.cpp
index b158d6eb61367..308f4b086b0df 100644
--- a/lldb/source/Symbol/Symbol.cpp
+++ b/lldb/source/Symbol/Symbol.cpp
@@ -85,7 +85,7 @@ const Symbol &Symbol::operator=(const Symbol &rhs) {
     m_is_debug = rhs.m_is_debug;
     m_is_external = rhs.m_is_external;
     m_size_is_sibling = rhs.m_size_is_sibling;
-    m_size_is_synthesized = rhs.m_size_is_sibling;
+    m_size_is_synthesized = rhs.m_size_is_synthesized;
     m_size_is_valid = rhs.m_size_is_valid;
     m_demangled_is_synthesized = rhs.m_demangled_is_synthesized;
     m_contains_linker_annotations = rhs.m_contains_linker_annotations;