diff --git a/BUILD.bazel b/BUILD.bazel
index 6b3b6de..a1a2fad 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -173,7 +173,7 @@ haskell_library(
     ),
     src_strip_prefix = "src",
     tags = ["no-cross"],
-    version = "0.0.22",
+    version = "0.0.23",
     visibility = ["//visibility:public"],
     deps = [
         ":ast",
diff --git a/cimple.cabal b/cimple.cabal
index 488da11..9d2eede 100644
--- a/cimple.cabal
+++ b/cimple.cabal
@@ -1,5 +1,5 @@
 name:          cimple
-version:       0.0.22
+version:       0.0.23
 synopsis:      Simple C-like programming language
 homepage:      https://toktok.github.io/
 license:       GPL-3
diff --git a/src/Language/Cimple/Lexer.x b/src/Language/Cimple/Lexer.x
index 28994c3..5e7949b 100644
--- a/src/Language/Cimple/Lexer.x
+++ b/src/Language/Cimple/Lexer.x
@@ -200,7 +200,7 @@ tokens :-
 <0,ppSC>	[A-Z][A-Z0-9_]{1,2}			{ mkL IdSueType }
 <0,ppSC>	_*[A-Z][A-Z0-9_]*			{ mkL IdConst }
 <0,ppSC>	[A-Z][A-Za-z0-9_]*[a-z][A-Za-z0-9_]*	{ mkL IdSueType }
-<0,ppSC>	"cmp_"[a-z][a-z0-9_]*_[stu]		{ mkL IdSueType }
+<0,ppSC>	"cmp_"[a-z][a-z0-9_]*_[suet]		{ mkL IdSueType }
 <0,ppSC>	[a-z][a-z0-9_]*_t			{ mkL IdStdType }
 <0,ppSC>	[a-z][a-z0-9_]*_cb			{ mkL IdFuncType }
 <0,ppSC>	"cmp_"("reader"|"writer"|"skipper")	{ mkL IdFuncType }