diff --git a/src/openalpr/alpr.h b/src/openalpr/alpr.h
index 4356287..49e0c25 100644
--- a/src/openalpr/alpr.h
+++ b/src/openalpr/alpr.h
@@ -79,6 +79,9 @@ namespace alpr
       
       // the X/Y coordinates of the corners of the plate (clock-wise from top-left)
       AlprCoordinate plate_points[4];
+
+      // The index of the plate if there were multiple plates returned
+      int plate_index;
       
       // When region detection is enabled, this returns the region.  Region detection is experimental
       int regionConfidence;