diff --git a/Makeconfig b/Makeconfig
index 29819363da..2d4343b604 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -1265,7 +1265,7 @@ $(common-objpfx)dl-tunable-list.stmp: \
 		$(..)elf/dl-tunables.list \
 		$(wildcard $(subdirs:%=$(..)%/dl-tunables.list)) \
 		$(wildcard $(sysdirs:%=%/dl-tunables.list))
-	$(AWK) -f $^ > ${@:stmp=T}
+	LC_ALL=C $(AWK) -f $^ > ${@:stmp=T}
 	$(move-if-change) ${@:stmp=T} ${@:stmp=h}
 	touch $@
 
diff --git a/scripts/gen-tunables.awk b/scripts/gen-tunables.awk
index fc3b41376f..d9f326b63b 100644
--- a/scripts/gen-tunables.awk
+++ b/scripts/gen-tunables.awk
@@ -131,6 +131,11 @@ END {
     exit 1
   }
 
+  # TYPES is an associative array where the index is the data
+  # TYPESA is an indexed array where the value is the data
+  # We sort TYPESA
+  typecount = asorti (types, typesa)
+
   print "/* AUTOGENERATED by gen-tunables.awk.  */"
   print "#ifndef _TUNABLES_H_"
   print "# error \"Do not include this file directly.\""
@@ -141,7 +146,8 @@ END {
   # Now, the enum names
   print "\ntypedef enum"
   print "{"
-  for (tnm in types) {
+  for (i = 1; i <= typecount; i++) {
+    tnm = typesa[i];
     split (tnm, indices, SUBSEP);
     t = indices[1];
     n = indices[2];
@@ -157,7 +163,8 @@ END {
   print "# include \"dl-tunable-types.h\""
   # Finally, the tunable list.
   print "static tunable_t tunable_list[] attribute_relro __attribute_used__ = {"
-  for (tnm in types) {
+  for (i = 1; i <= typecount; i++) {
+    tnm = typesa[i];
     split (tnm, indices, SUBSEP);
     t = indices[1];
     n = indices[2];
@@ -172,7 +179,8 @@ END {
   # Map of tunable with environment variables aliases used during parsing.  */
   print "\nstatic const tunable_id_t tunable_env_alias_list[] ="
   printf "{\n"
-  for (tnm in types) {
+  for (i = 1; i <= typecount; i++) {
+    tnm = typesa[i];
     split (tnm, indices, SUBSEP);
     t = indices[1];
     n = indices[2];