diff --git a/buildSrc/prepare-deps/intellij-sdk/build.gradle.kts b/buildSrc/prepare-deps/intellij-sdk/build.gradle.kts
index b9ae2742be5..1cada5c7171 100644
--- a/buildSrc/prepare-deps/intellij-sdk/build.gradle.kts
+++ b/buildSrc/prepare-deps/intellij-sdk/build.gradle.kts
@@ -180,6 +180,7 @@ fun writeIvyXml(moduleName: String, fileName: String, jarFiles: FileCollection,
             addArtifact(
                 FileBasedIvyArtifact(sourcesJar, DefaultIvyPublicationIdentity(customDepsOrg, sourcesArtifactName, intellijVersion)).also {
                     it.conf = "sources"
+                    it.classifier = "sources"
                 }
             )
         }