diff --git a/clang/lib/Analysis/ScanfFormatString.cpp b/clang/lib/Analysis/ScanfFormatString.cpp
index d65352a..4c2c4c6 100644
--- a/clang/lib/Analysis/ScanfFormatString.cpp
+++ b/clang/lib/Analysis/ScanfFormatString.cpp
@@ -22,6 +22,7 @@
 using clang::analyze_format_string::ConversionSpecifier;
 using clang::analyze_scanf::ScanfConversionSpecifier;
 using clang::analyze_scanf::ScanfSpecifier;
+using clang::UpdateOnReturn;
 
 typedef clang::analyze_format_string::SpecifierResult<ScanfSpecifier>
         ScanfSpecifierResult;