diff --git a/jq_all_the_things.sh b/jq_all_the_things.sh
index 56c816b..f558cb3 100755
--- a/jq_all_the_things.sh
+++ b/jq_all_the_things.sh
@@ -11,4 +11,5 @@ do
 done
 
 cat schema.json | jq . | sponge schema.json
+cat schema_mapping.json | jq . | sponge schema_mapping.json
 cat MANIFEST.json | jq . | sponge MANIFEST.json
diff --git a/mapping/mapping.json b/mapping/mapping.json
index 0238f8a..72c197e 100644
--- a/mapping/mapping.json
+++ b/mapping/mapping.json
@@ -47,7 +47,6 @@
   },
   "ransomware": {
     "values": [
-      "veris:action:malware:variety=\"Ransomware\"",
       "ecsirt:malicious-code=\"ransomware\"",
       "enisa:nefarious-activity-abuse=\"ransomware\"",
       "malware_classification:malware-category=\"Ransomware\"",
diff --git a/schema_mapping.json b/schema_mapping.json
new file mode 100644
index 0000000..17f98f7
--- /dev/null
+++ b/schema_mapping.json
@@ -0,0 +1,20 @@
+{
+  "$schema": "http://json-schema.org/schema#",
+  "title": "Validator for the mapping in misp-taxonomies",
+  "id": "https://www.github.com/MISP/misp-taxonomies/schema_mapping.json",
+  "type": "object",
+  "additionalProperties": false,
+  "patternProperties": {
+    "^.*$": {
+      "properties": {
+        "values": {
+          "type": "array",
+          "uniqueItems": true,
+          "items": {
+            "type": "string"
+          }
+        }
+      }
+    }
+  }
+}
diff --git a/validate_all.sh b/validate_all.sh
index d15d106..1e41f21 100755
--- a/validate_all.sh
+++ b/validate_all.sh
@@ -27,3 +27,4 @@ do
   echo ''
 done
 
+jsonschema -i mapping/mapping.json schema_mapping.json