diff --git a/src/zm_event.cpp b/src/zm_event.cpp
index 2d95ec23a..f927eac5c 100644
--- a/src/zm_event.cpp
+++ b/src/zm_event.cpp
@@ -55,7 +55,7 @@ Event::Event(
   alarm_frames(0),
   alarm_frame_written(false),
   tot_score(0),
-  max_score(0),
+  max_score(-1),
   //path(""),
   //snapshit_file(),
   //alarm_file(""),
@@ -486,12 +486,12 @@ void Event::AddFrame(Image *image,
 
     Debug(1, "frames %d, score %d max_score %d", frames, score, max_score);
     // If this is the first frame, we should add a thumbnail to the event directory
-    if ((frames == 1) || (score > (int)max_score)) {
+    if ((frames == 1) || (score > max_score)) {
       write_to_db = true; // web ui might show this as thumbnail, so db needs to know about it.
       Debug(1, "Writing snapshot");
       WriteFrameImage(image, timestamp, snapshot_file.c_str());
     } else {
-      Debug(1, "Not Writing snapshot because score %d > max %d", score, max_score);
+      Debug(1, "Not Writing snapshot because frames %d score %d > max %d", frames, score, max_score);
     }
 
     // We are writing an Alarm frame
@@ -523,11 +523,15 @@ void Event::AddFrame(Image *image,
   bool db_frame = ( frame_type == BULK )
     or ( frame_type == ALARM )
     or ( frames == 1 )
-    or ( score > (int)max_score )
+    or ( score > max_score )
     or ( monitor_state == Monitor::ALERT )
     or ( monitor_state == Monitor::ALARM )
     or ( monitor_state == Monitor::PREALARM );
 
+  if (score > max_score) {
+    max_score = score;
+  }
+
   if (db_frame) {
     Microseconds delta_time = std::chrono::duration_cast<Microseconds>(timestamp - start_time);
     Debug(1, "Frame delta is %.2f s - %.2f s = %.2f s, score %u zone_stats.size %zu",
@@ -568,9 +572,6 @@ void Event::AddFrame(Image *image,
     } // end if frame_type == BULK
   } // end if db_frame
 
-  if (score > (int) max_score) {
-    max_score = score;
-  }
   end_time = timestamp;
 }
 
diff --git a/src/zm_event.h b/src/zm_event.h
index 611b2f716..a26c029b5 100644
--- a/src/zm_event.h
+++ b/src/zm_event.h
@@ -77,8 +77,8 @@ class Event {
     int        frames;
     int        alarm_frames;
     bool alarm_frame_written;
-    unsigned int  tot_score;
-    unsigned int  max_score;
+    int  tot_score;
+    int  max_score;
     std::string path;
     std::string snapshot_file;
     std::string alarm_file;