1 files changed, 1 insertions, 1 deletions
diff --git a/include/shard/PGM.h b/include/shard/PGM.h
index 20bdbf2..d72ad55 100644
--- a/include/shard/PGM.h
+++ b/include/shard/PGM.h
@@ -341,7 +341,7 @@ public:
         return records;
     }
 
-    static std::vector<R> merge(std::vector<std::vector<R>> &results) {
+    static std::vector<R> merge(std::vector<std::vector<R>> &results, void *parms) {
         size_t total = 0;
         for (size_t i=0; i<results.size(); i++) {
             total += results[i].size();