diff --git a/image_analysis/RotationIndexer.cpp b/image_analysis/RotationIndexer.cpp
index 56b0130b..9904b0b1 100644
--- a/image_analysis/RotationIndexer.cpp
+++ b/image_analysis/RotationIndexer.cpp
@@ -164,4 +164,8 @@ std::optional<RotationIndexerResult> RotationIndexer::GetLattice() const {
         .geom = updated_geom_,
         .axis = axis_
     };
-}
\ No newline at end of file
+}
+
+int64_t RotationIndexer::GetAccumulatedImages() const {
+    return accumulated_images;
+}
diff --git a/image_analysis/RotationIndexer.h b/image_analysis/RotationIndexer.h
index c500b2a3..ccaca1b9 100644
--- a/image_analysis/RotationIndexer.h
+++ b/image_analysis/RotationIndexer.h
@@ -62,6 +62,8 @@ public:
     RotationIndexer(const DiffractionExperiment& x, IndexerThreadPool& indexer);
     void ProcessImage(int64_t image, const std::vector<SpotToSave>& spots);
     std::optional<RotationIndexerResult> GetLattice() const;
+
+    int64_t GetAccumulatedImages() const;
 };
 
 #endif //JFJOCH_ROTATIONINDEXER_H
\ No newline at end of file