diff --git a/configure.ac b/configure.ac
index 0b3dc86052..2488029412 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4938,7 +4938,7 @@ if test "x$curl_psl_msg" = "xenabled"; then
 fi
 
 if test "x$curl_gsasl_msg" = "xenabled"; then
-  SUPPORT_FEATURES="$SUPPORT_FEATURES GSASL"
+  SUPPORT_FEATURES="$SUPPORT_FEATURES gsasl"
 fi
 
 if test "x$enable_altsvc" = "xyes"; then
diff --git a/tests/libtest/test1013.pl b/tests/libtest/test1013.pl
index 9ae7723a21..6d10a3223a 100755
--- a/tests/libtest/test1013.pl
+++ b/tests/libtest/test1013.pl
@@ -37,14 +37,13 @@ my $curl_protocols="";
 open(CURL, "$ARGV[1]") || die "Can't get curl $what list\n";
 while( <CURL> )
 {
-    $curl_protocols = lc($_) if ( /$what:/i );
+    $curl_protocols = $_ if ( /$what:/i );
 }
 close CURL;
 
 $curl_protocols =~ s/\r//;
 $curl_protocols =~ /\w+: (.*)$/;
 @curl = split / /,$1;
-@curl = sort @curl;
 
 # Read the output of curl-config
 my @curl_config;
@@ -52,12 +51,16 @@ open(CURLCONFIG, "sh $ARGV[0] --$what|") || die "Can't get curl-config $what lis
 while( <CURLCONFIG> )
 {
     chomp;
-    # ignore curl-config --features not in curl's feature list
-    push @curl_config, lc($_);
+    $_ = lc($_) if($what eq "protocols");  # accept uppercase protocols in curl-config
+    push @curl_config, $_;
 }
 close CURLCONFIG;
 
-@curl_config = sort @curl_config;
+# allow order mismatch to handle autotools builds with no 'sort -f' available
+if($what eq "features") {
+    @curl = sort @curl;
+    @curl_config = sort @curl_config;
+}
 
 my $curlproto = join ' ', @curl;
 my $curlconfigproto = join ' ', @curl_config;