diff --git a/apkbuild-cpan.in b/apkbuild-cpan.in
index 3bda5df..2af8596 100644
--- a/apkbuild-cpan.in
+++ b/apkbuild-cpan.in
@@ -167,14 +167,14 @@ sub update_functions {
 		$prepare_func = <<'EOF';
 prepare() {
 	cd "$builddir"
-	export CFLAGS=`perl -MConfig -E 'say $Config{ccflags}'`
+	export CFLAGS=$(perl -MConfig -E 'say $Config{ccflags}')
 	perl Build.PL installdirs=vendor || return 1
 }
 EOF
 		$build_func = <<'EOF';
 build() {
 	cd "$builddir"
-	export CFLAGS=`perl -MConfig -E 'say $Config{ccflags}'`
+	export CFLAGS=$(perl -MConfig -E 'say $Config{ccflags}')
 	./Build && ./Build test
 }
 EOF
@@ -189,14 +189,14 @@ EOF
 		$prepare_func = <<'EOF';
 prepare() {
 	cd "$builddir"
-	export CFLAGS=`perl -MConfig -E 'say $Config{ccflags}'`
+	export CFLAGS=$(perl -MConfig -E 'say $Config{ccflags}')
 	PERL_MM_USE_DEFAULT=1 perl Makefile.PL INSTALLDIRS=vendor
 }
 EOF
 		$build_func = <<'EOF';
 build() {
 	cd "$builddir"
-	export CFLAGS=`perl -MConfig -E 'say $Config{ccflags}'`
+	export CFLAGS=$(perl -MConfig -E 'say $Config{ccflags}')
 	make && make test
 }
 EOF