diff --git a/vlib/v/gen/c/cgen.v b/vlib/v/gen/c/cgen.v
index db97394320..7d1011af63 100644
--- a/vlib/v/gen/c/cgen.v
+++ b/vlib/v/gen/c/cgen.v
@@ -17,12 +17,12 @@ const (
 	// NB: some of the words in c_reserved, are not reserved in C,
 	// but are in C++, or have special meaning in V, thus need escaping too.
 	// `small` should not be needed, but see: https://stackoverflow.com/questions/5874215/what-is-rpcndr-h
-	c_reserved     = ['array', 'auto', 'break', 'calloc', 'case', 'char', 'class', 'const',
-		'continue', 'default', 'delete', 'do', 'double', 'else', 'enum', 'error', 'exit', 'export',
-		'extern', 'float', 'for', 'free', 'goto', 'if', 'inline', 'int', 'link', 'long', 'malloc',
-		'namespace', 'new', 'panic', 'register', 'restrict', 'return', 'short', 'signed', 'sizeof',
-		'static', 'string', 'struct', 'switch', 'typedef', 'typename', 'union', 'unix', 'unsigned',
-		'void', 'volatile', 'while', 'template', 'small', 'stdout', 'stdin', 'stderr']
+	c_reserved     = ['array', 'auto', 'bool', 'break', 'calloc', 'case', 'char', 'class', 'complex',
+		'const', 'continue', 'default', 'delete', 'do', 'double', 'else', 'enum', 'error', 'exit',
+		'export', 'extern', 'float', 'for', 'free', 'goto', 'if', 'inline', 'int', 'link', 'long',
+		'malloc', 'namespace', 'new', 'panic', 'register', 'restrict', 'return', 'short', 'signed',
+		'sizeof', 'static', 'string', 'struct', 'switch', 'typedef', 'typename', 'union', 'unix',
+		'unsigned', 'void', 'volatile', 'while', 'template', 'small', 'stdout', 'stdin', 'stderr']
 	c_reserved_map = string_array_to_map(c_reserved)
 	// same order as in token.Kind
 	cmp_str        = ['eq', 'ne', 'gt', 'lt', 'ge', 'le']