diff --git a/game/plugins.gradle b/game/plugins.gradle
index 0b66a34d..ca12f833 100644
--- a/game/plugins.gradle
+++ b/game/plugins.gradle
@@ -119,6 +119,18 @@ def pluginDefinitions = pluginTree.matching {
     include '**/meta.toml'
 }
 
+class PluginScriptFile {
+    def scriptFileName
+    def pluginDir
+
+    PluginScriptFile(scriptFileName, pluginDir) {
+        this.scriptFileName = scriptFileName
+        this.pluginDir = pluginDir
+    }
+}
+
+def pluginFiles = new ArrayList<PluginScriptFile>()
+
 pluginDefinitions.each { file ->
     def meta = new Toml()
     meta.read(file.absoluteFile)
@@ -156,6 +168,19 @@ pluginDefinitions.each { file ->
         }
     }
 
+    scripts.files.forEach {
+        def scriptFileName = it.getName()
+
+        //@todo - also compare package
+        def existingFile = pluginFiles.find { it.scriptFileName == scriptFileName }
+        if (existingFile != null) {
+            throw new GradleException("Duplicate script file found named ${scriptFileName} in ${pluginFolder}, " +
+                    "also exists in ${existingFile.pluginDir}")
+        }
+
+        pluginFiles.add(new PluginScriptFile(scriptFileName, pluginFolder))
+    }
+
     def pluginData = new PluginBuildData(normalizedName, mainSources, testSources, scripts, dependencies)
     pluginMap.put(normalizedName, pluginData)
 }