diff --git a/tools/coffee-manager/build.sh b/tools/coffee-manager/build.sh
index 8ffd15efc..c39dad7c9 100755
--- a/tools/coffee-manager/build.sh
+++ b/tools/coffee-manager/build.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-(cd se/sics/coffee && javac *.java) && jar cvfm coffee.jar MANIFEST.MF se/
+(cd se/sics/coffee && javac *.java) && jar cvfm coffee.jar MANIFEST.MF se/sics/coffee/*.class