diff --git a/poky/meta/recipes-core/zlib/zlib_1.2.11.bb b/poky/meta/recipes-core/zlib/zlib_1.2.11.bb
index ef9431a..1c06aa0 100644
--- a/poky/meta/recipes-core/zlib/zlib_1.2.11.bb
+++ b/poky/meta/recipes-core/zlib/zlib_1.2.11.bb
@@ -17,7 +17,7 @@
 
 CFLAGS += "-D_REENTRANT"
 
-RDEPENDS_${PN}-ptest += "make"
+RDEPENDS:${PN}-ptest += "make"
 
 inherit ptest
 
@@ -39,7 +39,7 @@
 
 # Move zlib shared libraries for target builds to $base_libdir so the library
 # can be used in early boot before $prefix is mounted.
-do_install_append_class-target() {
+do_install:append:class-target() {
 	if [ ${base_libdir} != ${libdir} ]
 	then
 		mkdir -p ${D}/${base_libdir}