diff --git a/.vscode/settings.json b/.vscode/settings.json
index 13b366e..3080ebc 100755
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -8,6 +8,7 @@
         "mdel",
         "onefile",
         "Packrat",
+        "printables",
         "pyparsing",
         "rlimit",
         "runstatus",
diff --git a/lamb_engine/parser.py b/lamb_engine/parser.py
index 1198eee..28650f8 100755
--- a/lamb_engine/parser.py
+++ b/lamb_engine/parser.py
@@ -56,7 +56,7 @@ class LambdaParser:
 			(self.lp + self.pp_history + self.rp)
 		)
 
-		self.pp_command = pp.Suppress(":") + pp.Word(pp.alphas + "_") + pp.Word(pp.alphas + pp.nums + "_.")[0, ...]
+		self.pp_command = pp.Suppress(":") + pp.Word(pp.alphas + "_") + pp.Word(pp.printables)[0, ...]
 
 
 		self.pp_all = (
diff --git a/pyproject.toml b/pyproject.toml
index 77a6010..507e3b3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ lamb = "lamb_engine:main"
 [project]
 name = "lamb_engine"
 description = "A lambda calculus engine"
-version = "1.1.6"
+version = "1.1.7"
 dependencies = [
 	"prompt-toolkit==3.0.31",
 	"pyparsing==3.0.9"