diff --git a/tools/cooja/apps/avrora/build.xml b/tools/cooja/apps/avrora/build.xml
index 260fb5eb3..fb1b98e3a 100644
--- a/tools/cooja/apps/avrora/build.xml
+++ b/tools/cooja/apps/avrora/build.xml
@@ -8,7 +8,7 @@
 	<property name="cooja" location="../.."/>
 
 	<property name="cooja_jar" value="${cooja}/dist/cooja.jar"/>
-  <property name="avrora_jar" value="${lib}/avrora.jar"/>
+  <property name="avrora_jar" value="${lib}/avrora-small.jar"/>
   <property name="cooja_avrora_jar" value="${lib}/cooja_avrora.jar"/>
 
   <target name="init">
diff --git a/tools/cooja/apps/avrora/lib/avrora-small.jar b/tools/cooja/apps/avrora/lib/avrora-small.jar
new file mode 100644
index 000000000..2e88a91fd
Binary files /dev/null and b/tools/cooja/apps/avrora/lib/avrora-small.jar differ
diff --git a/tools/cooja/apps/avrora/lib/avrora.jar b/tools/cooja/apps/avrora/lib/avrora.jar
deleted file mode 100644
index f926a0dfd..000000000
Binary files a/tools/cooja/apps/avrora/lib/avrora.jar and /dev/null differ