diff --git a/tests/test_parse.py b/tests/test_parse.py
index 04c0567..95a5e4d 100644
--- a/tests/test_parse.py
+++ b/tests/test_parse.py
@@ -1,4 +1,4 @@
-from hypothesis import given
+from hypothesis import given, assume
 from hypothesis.strategies import text, booleans, sampled_from, characters
 
 from src import parse
@@ -84,9 +84,14 @@
     assert tokens[1].type == "EOF"
 
 
+# List of words the lexer understands
+reserved_words = keywords + ["StartText", "EndText", "StartNote", "EndNote"]
+
 # Test that we can make symbols
 @given(text(alphabet=characters(blacklist_characters="\n\t "), min_size=1))
 def test_lexer_symbols(symbol):
+    assume(symbol not in reserved_words)  # Reserved words aren't symbols
+    assume(not symbol.startswith("#!"))  # Shebangs aren't symbols
     code = symbol
     tokenizer = parse.Tokenizer(code, "")
     tokens = tokenizer.tokenize()