diff --git a/devel/quickjs-ng/Portfile b/devel/quickjs-ng/Portfile
index fff84832cb1..97f9b8c48ae 100644
--- a/devel/quickjs-ng/Portfile
+++ b/devel/quickjs-ng/Portfile
@@ -3,7 +3,7 @@
 PortSystem          1.0
 PortGroup           github 1.0
 PortGroup           legacysupport 1.1
-PortGroup           makefile 1.0
+PortGroup           cmake 1.1
 
 github.setup        quickjs-ng quickjs 0.15.1 v
 github.tarball_from archive
@@ -32,8 +32,6 @@ compiler.c_standard 2011
 compiler.blacklist-append \
                     {clang < 700}
 
-build.env-append    INSTALL_PREFIX=${prefix}
-
 post-destroot {
     xinstall -d ${destroot}${prefix}/lib/pkgconfig
     xinstall -m 0644 ${filespath}/${github.project}.pc ${destroot}${prefix}/lib/pkgconfig