diff --git a/src/SpecFileGen/Program.cs b/src/SpecFileGen/Program.cs
index c531d45d..a7e43f15 100644
--- a/src/SpecFileGen/Program.cs
+++ b/src/SpecFileGen/Program.cs
@@ -110,12 +110,20 @@ class Program
                 continue;
             }
 
-            string source = ParseSpecification(spec, File.ReadAllText(spec.Path)).Replace("\r\n", "\n", StringComparison.Ordinal);
+            string source = ParseSpecification(spec, File.ReadAllText(spec.Path)).Replace("\r\n", "\n"
+#if false
+                , StringComparison.Ordinal
+#endif
+                );
             totalTests += spec.TestCount;
 
             if (File.Exists(spec.OutputPath))  // If the source hasn't changed, don't bump the generated tag
             {
-                string previousSource = File.ReadAllText(spec.OutputPath).Replace("\r\n", "\n", StringComparison.Ordinal);
+                string previousSource = File.ReadAllText(spec.OutputPath).Replace("\r\n", "\n"
+#if NET
+                    , StringComparison.Ordinal
+#endif
+                    );
                 if (previousSource == source && File.GetLastWriteTime(spec.OutputPath) > File.GetLastWriteTime(spec.Path))
                 {
                     continue;
@@ -197,7 +205,13 @@ class Program
                 string line = lines[i];
                 if (line.Length > 2 && line[0] == '#')
                 {
-                    int level = line.IndexOf(' ', StringComparison.Ordinal);
+                    int level = line.IndexOf(
+#if NET
+                        ' '
+                        #else
+                        " "
+#endif
+                        , StringComparison.Ordinal);
                     while (headings.Count != 0)
                     {
                         if (headings.Last.Value.Level < level) break;
@@ -359,7 +373,13 @@ class Program
     static string CompressedName(string name)
     {
         string compressedName = "";
-        foreach (var part in name.Replace(',' , ' ').Replace('-', ' ').Split(' ', StringSplitOptions.RemoveEmptyEntries))
+        foreach (var part in name.Replace(',' , ' ').Replace('-', ' ').Split(
+#if NET
+            ' '
+            #else
+            [' ']
+#endif
+            , StringSplitOptions.RemoveEmptyEntries))
         {
             compressedName += char.IsLower(part[0])
                 ? char.ToUpper(part[0]) + (part.Length > 1 ? part.Substring(1) : "")