diff --git a/entity/AttributeUsage_entity/AttributeUsage_entity.aod b/entity/AttributeUsage_entity/AttributeUsage_entity.aod
index 19cd75197be85fa49cad58cd153a5f9b7eca05f1..9afed77c7a49c26efd9a62489d6510611df0a31b 100644
--- a/entity/AttributeUsage_entity/AttributeUsage_entity.aod
+++ b/entity/AttributeUsage_entity/AttributeUsage_entity.aod
@@ -7,7 +7,6 @@
   <siblings>
     <element>Attribute_entity</element>
   </siblings>
-  <onValidation>%aditoprj%/entity/AttributeUsage_entity/onValidation.js</onValidation>
   <recordContainer>db</recordContainer>
   <entityFields>
     <entityProvider>
diff --git a/entity/AttributeUsage_entity/entityfields/max_count/onValidation.js b/entity/AttributeUsage_entity/entityfields/max_count/onValidation.js
index 0a2f0bdb56a56e509e8977dfd6e93d0eb02994c3..38fd4fbc26dea0c1560f7152e9c69ada8b141f3e 100644
--- a/entity/AttributeUsage_entity/entityfields/max_count/onValidation.js
+++ b/entity/AttributeUsage_entity/entityfields/max_count/onValidation.js
@@ -3,7 +3,8 @@ import("system.vars");
 import("system.translate");
 import("Entity_lib");
 
-var maxCount = vars.get("local.value");
+var minCount = vars.getString("$field.MIN_COUNT");
+var maxCount = vars.get("$local.value");
 
 if (maxCount)
 {
@@ -12,4 +13,7 @@ if (maxCount)
         result.string(translate.text("Maximal count must be one or higher"));
     else if (maxCount != Math.floor(maxCount))
         result.string(translate.text("Maximal count has to be a whole number"));
+    else if (minCount && minCount > maxCount)
+        result.string(translate.text("The minimal count can't be larger than the maximal count!"));
 }
+
diff --git a/entity/AttributeUsage_entity/onValidation.js b/entity/AttributeUsage_entity/onValidation.js
deleted file mode 100644
index f35c9b28c229e58d70a79ab48c80cb2b0cb14bfc..0000000000000000000000000000000000000000
--- a/entity/AttributeUsage_entity/onValidation.js
+++ /dev/null
@@ -1,8 +0,0 @@
-import("system.translate");
-import("system.vars");
-import("system.result");
-
-var minCount = vars.getString("$field.MIN_COUNT");
-var maxCount = vars.getString("$field.MAX_COUNT");
-if (minCount != "" && maxCount != "" && minCount > maxCount)
-    result.string(translate.text("The minimal count can't be larger than the maximal count!"));
\ No newline at end of file