diff --git a/python/podio_schema_evolution.py b/python/podio_schema_evolution.py
index 9dd1cd08f..fa4d39d2d 100755
--- a/python/podio_schema_evolution.py
+++ b/python/podio_schema_evolution.py
@@ -369,6 +369,12 @@ def heuristics(self):
                 f"Forbidden schema change in '{vmc.klassname}': Added vector member '{vmc.member}'"
             )
 
+        dropped_vecmems = [c for c in schema_changes if isinstance(c, DroppedVectorMember)]
+        for vmc in dropped_vecmems:
+            self.errors.append(
+                f"Forbidden schema change in '{vmc.klassname}': Added vector member '{vmc.member_name}'"
+            )
+
         # are the member changes actually supported/supportable?
         changed_members = [
             change for change in schema_changes if isinstance(change, ChangedMember)
diff --git a/tests/schema_evolution/detection/CMakeLists.txt b/tests/schema_evolution/detection/CMakeLists.txt
index 63152e62b..419e6acb4 100644
--- a/tests/schema_evolution/detection/CMakeLists.txt
+++ b/tests/schema_evolution/detection/CMakeLists.txt
@@ -1,5 +1,6 @@
 set(should_fail_cases
   vector_members:add_new
+  vector_members:add_additional
 )
 
 set(should_succeed_cases
diff --git a/tests/schema_evolution/detection/vector_members/dm_add_additional_new.yaml b/tests/schema_evolution/detection/vector_members/dm_add_additional_new.yaml
new file mode 100644
index 000000000..3a44a979c
--- /dev/null
+++ b/tests/schema_evolution/detection/vector_members/dm_add_additional_new.yaml
@@ -0,0 +1,9 @@
+schema_version: 2
+
+datatypes:
+  DataTypeWithOneVectorMember:
+    Description: "Type for testing the addition of new VectorMembers"
+    Author: "Thomas Madlener"
+    VectorMembers:
+      - float f // a float
+      - int i // an additional float
diff --git a/tests/schema_evolution/detection/vector_members/dm_add_additional_old.yaml b/tests/schema_evolution/detection/vector_members/dm_add_additional_old.yaml
new file mode 100644
index 000000000..a1efd3963
--- /dev/null
+++ b/tests/schema_evolution/detection/vector_members/dm_add_additional_old.yaml
@@ -0,0 +1,8 @@
+schema_version: 1
+
+datatypes:
+  DataTypeWithOneVectorMember:
+    Description: "Type for testing the addition of new VectorMembers"
+    Author: "Thomas Madlener"
+    VectorMembers:
+      - float f // a float
diff --git a/tests/schema_evolution/detection/vector_members/dm_rm_one_new.yaml b/tests/schema_evolution/detection/vector_members/dm_rm_one_new.yaml
new file mode 100644
index 000000000..a3ce70b8e
--- /dev/null
+++ b/tests/schema_evolution/detection/vector_members/dm_rm_one_new.yaml
@@ -0,0 +1,8 @@
+schema_version: 2
+
+datatypes:
+  DataTypeWithSomeVectorMember:
+    Description: "Type for testing the removal of one VectorMember"
+    Author: "Thomas Madlener"
+    VectorMembers:
+      - double d // some doubles never hurt
diff --git a/tests/schema_evolution/detection/vector_members/dm_rm_one_old.yaml b/tests/schema_evolution/detection/vector_members/dm_rm_one_old.yaml
new file mode 100644
index 000000000..370095485
--- /dev/null
+++ b/tests/schema_evolution/detection/vector_members/dm_rm_one_old.yaml
@@ -0,0 +1,9 @@
+schema_version: 1
+
+datatypes:
+  DataTypeWithSomeVectorMember:
+    Description: "Type for testing the removal of one VectorMember"
+    Author: "Thomas Madlener"
+    VectorMembers:
+      - float f // a float
+      - double d // some doubles never hurt