diff --git a/simple_language_plugin/src/main/resources/META-INF/plugin.xml b/simple_language_plugin/src/main/resources/META-INF/plugin.xml
index abec09613..1c372dfdb 100644
--- a/simple_language_plugin/src/main/resources/META-INF/plugin.xml
+++ b/simple_language_plugin/src/main/resources/META-INF/plugin.xml
@@ -52,7 +52,8 @@
                                     implementationClass="org.intellij.sdk.language.SimpleLineMarkerProvider"/>
     <completion.contributor language="Simple"
                             implementationClass="org.intellij.sdk.language.SimpleCompletionContributor"/>
-    <psi.referenceContributor implementation="org.intellij.sdk.language.SimpleReferenceContributor"/>
+    <psi.referenceContributor language="JAVA"
+                              implementation="org.intellij.sdk.language.SimpleReferenceContributor"/>
     <lang.refactoringSupport language="Simple"
                              implementationClass="org.intellij.sdk.language.SimpleRefactoringSupportProvider"/>
     <lang.findUsagesProvider language="Simple"