diff --git a/interface/src/main/java/xsbti/CompileCancelled.java b/interface/src/main/java/xsbti/CompileCancelled.java
new file mode 100644
index 000000000..bcd3695dd
--- /dev/null
+++ b/interface/src/main/java/xsbti/CompileCancelled.java
@@ -0,0 +1,9 @@
+package xsbti;
+
+/**
+ * An exception thrown when compilation cancellation has been requested during
+ * Scala compiler run.
+ */
+public abstract class CompileCancelled extends RuntimeException {
+	public abstract String[] arguments();
+}