diff --git a/srcpkgs/perl/template b/srcpkgs/perl/template
index 8bea3e3643d..ef37b07e991 100644
--- a/srcpkgs/perl/template
+++ b/srcpkgs/perl/template
@@ -1,7 +1,7 @@
 # Template build file for 'perl'.
 pkgname=perl
 version=5.26.1
-revision=5
+revision=6
 _perl_cross_version=1.1.6
 build_style=gnu-configure
 hostmakedepends="less"
@@ -175,11 +175,11 @@ do_configure() {
 		export HOSTLDFLAGS
 		CFLAGS+=" -D_FILE_OFFSET_BITS=64 -DLARGE_FILE_SUPPORT64 ";;
 	*-musl)
-		HOSTCFLAGS+=" -D_DEFAULT_SOURCE"
+		HOSTCFLAGS+=" -D_GNU_SOURCE"
 		export HOSTCFLAGS
 		HOSTLDFLAGS+=" -pthread"
 		export HOSTLDFLAGS
-		CFLAGS+=" -D_DEFAULT_SOURCE";;
+		CFLAGS+=" -D_GNU_SOURCE";;
 	esac
 
 	export LD="$CC"