diff --git a/reactos/tools/rsym/rsym.c b/reactos/tools/rsym/rsym.c
index f5bba04435c..238a06be756 100644
--- a/reactos/tools/rsym/rsym.c
+++ b/reactos/tools/rsym/rsym.c
@@ -125,7 +125,7 @@ CompareSymEntry(const PROSSYM_ENTRY SymEntry1, const PROSSYM_ENTRY SymEntry2)
 
     if (SymEntry2->SourceLine == 0)
     {
-        return +1;
+        return -1;
     }
 
     if (SymEntry1->SourceLine == 0)