diff --git a/configure.d/1_global_page_state.conf b/configure.d/1_global_page_state.conf
index 37460e4..f54e015 100644
--- a/configure.d/1_global_page_state.conf
+++ b/configure.d/1_global_page_state.conf
@@ -7,14 +7,14 @@
 . $(dirname $3)/conf_framework
 
 check() {
-	cur_name=$(basename $2)
-	config_file_path=$1
-	if compile_module $cur_name "global_zone_page_state(1)" "linux/mm.h"
-	then
-		echo $cur_name "1" >> $config_file_path
-	elif compile_module $cur_name "global_page_state(1)" "linux/mm.h"
-	then
-		echo $cur_name "2" >> $config_file_path
+    cur_name=$(basename $2)
+    config_file_path=$1
+    if compile_module $cur_name "global_zone_page_state(1)" "linux/mm.h"
+    then
+        echo $cur_name "1" >> $config_file_path
+    elif compile_module $cur_name "global_page_state(1)" "linux/mm.h"
+    then
+        echo $cur_name "2" >> $config_file_path
     else
         echo $cur_name "X" >> $config_file_path
     fi
@@ -23,17 +23,17 @@ check() {
 apply() {
     case "$1" in
     "1")
-		add_function "
-	static inline unsigned long cas_global_zone_page_state(enum zone_stat_item item)
-		{
-			return global_zone_page_state(item);
-		}" ;;
+        add_function "
+        static inline unsigned long cas_global_zone_page_state(enum zone_stat_item item)
+        {
+            return global_zone_page_state(item);
+        }" ;;
     "2")
-		add_function "
-	static inline unsigned long cas_global_zone_page_state(enum zone_stat_item item)
-		{
-			return global_page_state(item);
-		}" ;;
+        add_function "
+        static inline unsigned long cas_global_zone_page_state(enum zone_stat_item item)
+        {
+            return global_page_state(item);
+        }" ;;
     *)
         exit 1
     esac