diff --git a/CHANGELOG.md b/CHANGELOG.md
index beb09794..134d5ef2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## Version 5.0.2
+
+- Fix mistake in sample selection column truncation code
+
 ## Version 5.0.0-alpha4
 
 ## Functionality
diff --git a/package.json b/package.json
index 6659160e..b4e0740e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "LuciusWeb",
-    "version": "5.0.1",
+    "version": "5.0.2",
     "description": "Web interface for ComPass aka Lucius",
     "repository": {
         "type": "git",
diff --git a/src/js/components/SampleSelection.js b/src/js/components/SampleSelection.js
index e9b0288a..56db3462 100644
--- a/src/js/components/SampleSelection.js
+++ b/src/js/components/SampleSelection.js
@@ -175,7 +175,7 @@ function SampleSelection(sources) {
             const maxLength = 7
             if (dose.length <= maxLength)
               return dose
-            else if (isNaN(entry.dose) || entry.dose_unit >= 3)
+            else if (isNaN(entry.dose) || entry.dose_unit?.length >= 3)
               return dose.substring(0, maxLength-1) + "..."
               // adding '...' is quite small on screen (in non-monospaced fonts), so we're ignoring that
             else