diff --git a/java/droiddoc.go b/java/droiddoc.go
index cc2043d..063f2c1 100644
--- a/java/droiddoc.go
+++ b/java/droiddoc.go
@@ -1307,8 +1307,7 @@
 	}
 	flags.classpathArgs = deps.classpath.FormJavaClassPath("-classpath")
 
-	flags.sourcepathArgs = "-sourcepath " + strings.Join(d.Javadoc.sourcepaths.Strings(), ":")
-
+	flags.sourcepathArgs = "-sourcepath \"" + strings.Join(d.Javadoc.sourcepaths.Strings(), ":") + "\""
 	return flags, nil
 }