diff --git a/ivy/src/main/scala/sbt/internal/librarymanagement/CustomPomParser.scala b/ivy/src/main/scala/sbt/internal/librarymanagement/CustomPomParser.scala
index 591e3e881..514843cf4 100644
--- a/ivy/src/main/scala/sbt/internal/librarymanagement/CustomPomParser.scala
+++ b/ivy/src/main/scala/sbt/internal/librarymanagement/CustomPomParser.scala
@@ -67,12 +67,13 @@ object CustomPomParser {
   /** The key prefix that indicates that this is used only to store extra information and is not intended for dependency resolution.*/
   val InfoKeyPrefix = SbtPomExtraProperties.POM_INFO_KEY_PREFIX
   val ApiURLKey = SbtPomExtraProperties.POM_API_KEY
+  val VersionSchemeKey = SbtPomExtraProperties.VERSION_SCHEME_KEY
 
   val SbtVersionKey = PomExtraDependencyAttributes.SbtVersionKey
   val ScalaVersionKey = PomExtraDependencyAttributes.ScalaVersionKey
   val ExtraAttributesKey = PomExtraDependencyAttributes.ExtraAttributesKey
   private[this] val unqualifiedKeys =
-    Set(SbtVersionKey, ScalaVersionKey, ExtraAttributesKey, ApiURLKey)
+    Set(SbtVersionKey, ScalaVersionKey, ExtraAttributesKey, ApiURLKey, VersionSchemeKey)
 
   // packagings that should be jars, but that Ivy doesn't handle as jars
   // TODO - move this elsewhere.