diff --git a/examples/Makefile b/examples/Makefile
index 9c04384..12ebc14 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -3,19 +3,19 @@
 # files that will be generated in the makefile
 
 
-TARGET_XML+=prototype_api.xml
+TARGET_XML+=interface_example1.xml
 
-.PHONY: all  yml clean
+.PHONY: all yml clean
 
 all: c_interface $(TARGET_XML)
 
 c_interface:
-	YML_PATH=../pEp_idl yml2proc -y ../pEp_idl/gen_c_header.ysl2 prototype_api.yml2
+	YML_PATH=../idl yml2proc -y ../lm-c99/ig-c99.ysl2 interface_example1.yml2
 
 xml: $(TARGET_XML)
 
 %.xml: %.yml2
-	YML_PATH=../pEp_idl yml2proc -P $< -o $@
+	YML_PATH=../idl yml2proc -P $< -o $@
 
 clean:
 	rm -f *.xml *.xsl *.h