diff --git a/.github/workflows/proto-schema-compatibility.yml b/.github/workflows/proto-schema-compatibility.yml
index 72991de..47eb467 100644
--- a/.github/workflows/proto-schema-compatibility.yml
+++ b/.github/workflows/proto-schema-compatibility.yml
@@ -51,4 +51,12 @@ jobs:
     - name: Run ProtoBuf Backward compatibility changes
       run: |
         java -jar schemata.jar isBackwardCompatible -s model.desc -b base-branch/model.desc -p protobuf
+        exit_code=$?
+        if [ $exit_code -eq 0 ]; then
+          echo "ProtoBuf Backward compatibility check passed"
+        else
+          echo "ProtoBuf Backward compatibility check failed"
+          java -jar schemata.jar compatibilitySummary -s model.desc -b base-branch/model.desc -p protobuf
+          exit 1
+        fi
     
diff --git a/src/main/java/org/schemata/SchemataExecutor.java b/src/main/java/org/schemata/SchemataExecutor.java
index 7e43ad9..8bc7503 100644
--- a/src/main/java/org/schemata/SchemataExecutor.java
+++ b/src/main/java/org/schemata/SchemataExecutor.java
@@ -70,7 +70,6 @@ public int compatibilitySummary() {
       System.out.println("Schema is backward compatible");
       return 0;
     } else {
-        System.out.println("Schema is not backward compatible");
         System.out.println("Incompatible fields:");
         checker.summary().forEach(System.out::println);
         return 1;