diff --git a/CHANGELOG b/CHANGELOG
index 65a8339..b00428b 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,5 @@
+* Line chart now displays points for each sample so it's easier to see where to hover.
+
 0.5, released 2019-10-11
 
 * Add some more metainformation to the header (sample mode and sample interval)
diff --git a/src/Eventlog/VegaTemplate.hs b/src/Eventlog/VegaTemplate.hs
index 5a042ce..a7bce1a 100644
--- a/src/Eventlog/VegaTemplate.hs
+++ b/src/Eventlog/VegaTemplate.hs
@@ -104,7 +104,7 @@ linesLayer c = asSpec
     VL.width (0.9 * cwidth c),
     VL.height (0.7 * cheight c),
     dataFromSource "data_json_samples" [],
-    VL.mark Line [],
+    VL.mark Line [MPoint (PMMarker [])],
     encodingLineLayer c [],
     transformLineLayer []
   ]