diff --git a/clang/lib/Format/UnwrappedLineParser.cpp b/clang/lib/Format/UnwrappedLineParser.cpp
index bdedfad3b78ba..7bb487d020ea6 100644
--- a/clang/lib/Format/UnwrappedLineParser.cpp
+++ b/clang/lib/Format/UnwrappedLineParser.cpp
@@ -213,7 +213,7 @@ void UnwrappedLineParser::parse() {
     }
 
     // Create line with eof token.
-    assert(FormatTok->is(tok::eof));
+    assert(eof());
     pushToken(FormatTok);
     addUnwrappedLine();