diff --git a/frontend-hyrise/sample-queries.sql b/frontend-hyrise/sample-queries.sql
index 2694181..9b1184f 100644
--- a/frontend-hyrise/sample-queries.sql
+++ b/frontend-hyrise/sample-queries.sql
@@ -8,7 +8,7 @@ SELECT * FROM students WHERE grade <= 2.0;
 # SUB-SELECT
 SELECT name, city, grade FROM (SELECT * FROM students WHERE city = 'Potsdam') t1 WHERE grade <= 1.5 OR grade >= 3.5;
 # GROUP
-SELECT city, AVG(grade) AS average|, MIN(grade) AS best, MAX(grade) AS worst FROM students GROUP BY city;
+SELECT city, AVG(grade) AS average, MIN(grade) AS best, MAX(grade) AS worst FROM students GROUP BY city;
 # UNION
 SELECT * FROM students WHERE grade = 1.3 UNION SELECT * FROM students WHERE grade = 3.7;
 # JOIN
diff --git a/src/Makefile b/src/Makefile
index c00873e..96b80a8 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -6,7 +6,7 @@ BIN_DIR = ../bin
 CC = g++
 CFLAGS = -O3 -I./ -Ilib/ -Ilib/statements/ -Iparser/ -std=c++11 -pthread -Wall -g
 
-LIB_HEADERS = $(shell find lib/ -name '*.h') parser/bison_parser.h parser/flex_lexer.h parser/SQLParser.h
+LIB_HEADERS = $(shell find lib/ -name '*.h') parser/bison_parser.h parser/flex_lexer.h parser/SQLParser.h parser/parser_typedef.h
 LIB_SOURCES = $(shell find lib/ -name '*.cpp') parser/bison_parser.cpp parser/flex_lexer.cpp parser/SQLParser.cpp
 TEST_SOURCES = $(shell find tests/ -name '*.cpp')