diff --git a/examples/sky-shell-exec/Makefile b/examples/sky-shell-exec/Makefile
index aafbba009..f2608f905 100644
--- a/examples/sky-shell-exec/Makefile
+++ b/examples/sky-shell-exec/Makefile
@@ -3,6 +3,8 @@ all: $(CONTIKI_PROJECT)
 
 TARGET=sky
 
+DEFINES=ELFLOADER_DATAMEMORY_SIZE=0x100,ELFLOADER_TEXTMEMORY_SIZE=0x100
+
 APPS = serial-shell
 CONTIKI = ../..
 include $(CONTIKI)/Makefile.include