diff --git a/kiss/src/test/cases/GenerativeTestCase.kiss b/kiss/src/test/cases/GenerativeTestCase.kiss
index ff020379..75a03878 100644
--- a/kiss/src/test/cases/GenerativeTestCase.kiss
+++ b/kiss/src/test/cases/GenerativeTestCase.kiss
@@ -30,7 +30,8 @@
     ((chooseRandom
         (concat
             [
-                ->{`null}
+                // null in conditionals is problematic in C#
+                (#if !cs ->{`null} ->{`false})
                 ->{`false}
                 ->{`""}
                 ->{`[]}
diff --git a/kiss/src/test/cases/MacroTestCase.kiss b/kiss/src/test/cases/MacroTestCase.kiss
index 7d464cb8..d9bccb8c 100644
--- a/kiss/src/test/cases/MacroTestCase.kiss
+++ b/kiss/src/test/cases/MacroTestCase.kiss
@@ -119,4 +119,4 @@
 // If for whatever reason, you wanted to make a function called and
 (undefMacro and)
 (function and [a b] (+ a b))
-(function andValue [] (and 5 6))
+(function andValue [] (and 5 6))
\ No newline at end of file