diff --git a/platform/cooja/Makefile.cooja b/platform/cooja/Makefile.cooja
index 574def7c7..41fd42719 100644
--- a/platform/cooja/Makefile.cooja
+++ b/platform/cooja/Makefile.cooja
@@ -37,7 +37,7 @@ endif ## QUICKSTART
 #MAIN_SRC = $(OBJECTDIR)/$(LIBNAME).c
 MAIN_OBJ = $(OBJECTDIR)/$(LIBNAME).o
 ARCHIVE = $(OBJECTDIR)/$(LIBNAME).a
-JNILIB = $(OBJECTDIR)/$(LIBNAME).cooja
+JNILIB = $(OBJECTDIR)/$(LIBNAME).$(TARGET)
 CONTIKI_APP_OBJ = $(CONTIKI_APP).co
 
 ### COOJA platform sources