diff --git a/common/dsnlexer.cpp b/common/dsnlexer.cpp
index 1eb58e355f..b0e7c56db5 100644
--- a/common/dsnlexer.cpp
+++ b/common/dsnlexer.cpp
@@ -108,7 +108,9 @@ bool DSNLEXER::PopReader()
         // force a new readLine() as first thing.
         limit = start;
         next  = start;
+        return true;
     }
+    return false;
 }