diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index 5b70a12..3b14733 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -44,7 +44,7 @@ jobs:
         uses: ./.github/actions/summarise-lint
         with:
           report-path: ${{ env.MODULE }}/build/reports/lint-results-debug.xml
-          note: Lint is configured with abortOnError false, so these do not block the pull request.
+          note: Lint errors now fail the build (abortOnError=true).
 
       - name: APK size check
         run: |
diff --git a/sms2webhook/build.gradle b/sms2webhook/build.gradle
index 6c6ca64..2a2bb7c 100644
--- a/sms2webhook/build.gradle
+++ b/sms2webhook/build.gradle
@@ -97,7 +97,7 @@ android {
     }
 
     lint {
-        abortOnError = false
+        abortOnError = true
     }
     namespace = 'org.golder.sms2webhook'
 
diff --git a/sms2webhook/src/main/java/org/golder/sms2webhook/LogAdapter.java b/sms2webhook/src/main/java/org/golder/sms2webhook/LogAdapter.java
index 91d6b89..dc652a8 100644
--- a/sms2webhook/src/main/java/org/golder/sms2webhook/LogAdapter.java
+++ b/sms2webhook/src/main/java/org/golder/sms2webhook/LogAdapter.java
@@ -29,7 +29,7 @@ public boolean areItemsTheSame(@NonNull MainViewModel.LogEntry oldItem, @NonNull
 
             @Override
             public boolean areContentsTheSame(@NonNull MainViewModel.LogEntry oldItem, @NonNull MainViewModel.LogEntry newItem) {
-                return oldItem.type == newItem.type;
+                return oldItem.type.equals(newItem.type);
             }
         });
         this.context = context;