diff --git a/crates/ra_syntax/src/parsing/lexer.rs b/crates/ra_syntax/src/parsing/lexer.rs
index f9362120e14..36e8416091a 100644
--- a/crates/ra_syntax/src/parsing/lexer.rs
+++ b/crates/ra_syntax/src/parsing/lexer.rs
@@ -195,6 +195,7 @@ fn scan_ident(c: char, ptr: &mut Ptr) -> SyntaxKind {
             ptr.bump();
             true
         }
+        ('_', None) => return UNDERSCORE,
         ('_', Some(c)) if !is_ident_continue(c) => return UNDERSCORE,
         _ => false,
     };
diff --git a/crates/ra_syntax/tests/data/reparse/fuzz-failures/0003.rs b/crates/ra_syntax/tests/data/reparse/fuzz-failures/0003.rs
new file mode 100644
index 00000000000..d2757cd08df
Binary files /dev/null and b/crates/ra_syntax/tests/data/reparse/fuzz-failures/0003.rs differ