diff --git a/receiver/JFJochReceiver.cpp b/receiver/JFJochReceiver.cpp
index de29e59a..8af4c97f 100644
--- a/receiver/JFJochReceiver.cpp
+++ b/receiver/JFJochReceiver.cpp
@@ -562,16 +562,16 @@ void JFJochReceiver::Cancel(const JFJochException &e) {
         acquisition_device[d]->ActionAbort();
 }
 
-double JFJochReceiver::GetIndexingRate() const {
+float JFJochReceiver::GetIndexingRate() const {
     return indexing_solution.Mean();
 }
 
-double JFJochReceiver::GetProgress() const {
+float JFJochReceiver::GetProgress() const {
     if (experiment.GetImageNum() > 0)
-        return static_cast<double>(max_image_number_sent) / static_cast<double>(experiment.GetImageNum()) * 100.0;
+        return static_cast<float>(max_image_number_sent) / static_cast<float>(experiment.GetImageNum()) * 100.0;
     else if (experiment.GetFrameNum() > 0)
         // Pedestal
-        return static_cast<double>(max_image_number_sent) / static_cast<double>(experiment.GetFrameNum()) * 100.0;
+        return static_cast<float>(max_image_number_sent) / static_cast<float>(experiment.GetFrameNum()) * 100.0;
     else
         return 100.0;
 }
diff --git a/receiver/JFJochReceiver.h b/receiver/JFJochReceiver.h
index 9c9c2e47..138eb994 100644
--- a/receiver/JFJochReceiver.h
+++ b/receiver/JFJochReceiver.h
@@ -124,8 +124,8 @@ public:
     void GetStatistics(JFJochProtoBuf::ReceiverOutput &out) const;
 
     void Cancel();
-    double GetProgress() const;
-    double GetIndexingRate() const;
+    float GetProgress() const;
+    float GetIndexingRate() const;
     void SetDataProcessingSettings(const JFJochProtoBuf::DataProcessingSettings &data_processing_settings);
 
     float GetAvailableSendBuffers() const;