diff --git a/passes/techmap/libparse.h b/passes/techmap/libparse.h
index 77e305f0b..3dcc0535c 100644
--- a/passes/techmap/libparse.h
+++ b/passes/techmap/libparse.h
@@ -46,19 +46,18 @@ namespace Yosys
 		LibertyAst *ast;
 		LibertyParser(std::istream &f) : f(f), line(1), ast(parse()) {}
 		~LibertyParser() { if (ast) delete ast; }
-        
-        /* lexer return values:
-           'v': identifier, string, array range [...] -> str holds the token string
-           'n': newline
-           anything else is a single character.
-        */
+		
+		/* lexer return values:
+		   'v': identifier, string, array range [...] -> str holds the token string
+		   'n': newline
+		   anything else is a single character.
+		*/
 		int lexer(std::string &str);
 		
-        LibertyAst *parse();
+		LibertyAst *parse();
 		void error();
-        void error(const std::string &str);
+		void error(const std::string &str);
 	};
 }
 
 #endif
-