diff --git a/compile/inc/src/main/scala/sbt/inc/Compile.scala b/compile/inc/src/main/scala/sbt/inc/Compile.scala
index 76ca59b8b..d9ad4cf51 100644
--- a/compile/inc/src/main/scala/sbt/inc/Compile.scala
+++ b/compile/inc/src/main/scala/sbt/inc/Compile.scala
@@ -97,7 +97,7 @@ private final class AnalysisCallback(internalMap: File => Option[File], external
 	}
 
 	def sourceDependency(dependsOn: File, source: File, inherited: Boolean) =
-		if(source != dependsOn) {
+		{
 			add(sourceDeps, source, dependsOn)
 			if(inherited) add(inheritedSourceDeps, source, dependsOn)
 		}
diff --git a/compile/interface/src/main/scala/xsbt/Dependency.scala b/compile/interface/src/main/scala/xsbt/Dependency.scala
index 907f62419..535a6b822 100644
--- a/compile/interface/src/main/scala/xsbt/Dependency.scala
+++ b/compile/interface/src/main/scala/xsbt/Dependency.scala
@@ -79,7 +79,7 @@ final class Dependency(val global: CallbackGlobal) extends LocateClassFile
 							case None => ()
 						}
 					}
-					else
+					else if (onSource.file != sourceFile)
 						callback.sourceDependency(onSource.file, sourceFile, inherited)
 				}
 			}