diff --git a/platform/built-in-server/src/org/jetbrains/ide/InstallPluginService.kt b/platform/built-in-server/src/org/jetbrains/ide/InstallPluginService.kt
index d952c0121225..fce7b1c7b0eb 100644
--- a/platform/built-in-server/src/org/jetbrains/ide/InstallPluginService.kt
+++ b/platform/built-in-server/src/org/jetbrains/ide/InstallPluginService.kt
@@ -64,7 +64,7 @@ internal class InstallPluginService : RestService() {
       .newFromEncoded(ApplicationInfoImpl.getShadowInstance().pluginManagerUrl.trimEnd('/') + "/api/getCompatibleUpdates")
       .addParameters(mapOf(
         "build" to getBuildNumberForDownload(),
-        "pluginId" to pluginId,
+        "pluginXmlId" to pluginId,
         "max" to "1"
       ))
     val compatibleUpdateExists = HttpRequests.request(url).readString() != "[]"