diff --git a/config.h b/config.h
index eae0dba..430376f 100644
--- a/config.h
+++ b/config.h
@@ -2,7 +2,7 @@
 /* config.h.in.  Generated from configure.ac by autoheader.  */
 
 /* "whether graphviz is enable" */
-#define ENABLE_GRAPHVIZ test "x$enable_graphviz" == "xyes"
+#define ENABLE_GRAPHVIZ test "x$enable_graphviz" = "xyes"
 
 /* Define to 1 if you have the <dlfcn.h> header file. */
 #define HAVE_DLFCN_H 1
@@ -94,8 +94,8 @@
 /* Define to 1 if you have the ANSI C header files. */
 #define STDC_HEADERS 1
 
-/* "use jemalloc" */
-#define USE_JEMALLOC test "x$found_jemalloc" = "xyes" 
+/* Define to 1 if you have the PATH_MAX macro. */
+/* #undef USE_JEMALLOC */
 
 /* Version number of package */
 #define VERSION "1.0.0"
diff --git a/include/r3_list.h b/include/r3_list.h
index 96e878c..bd231ef 100644
--- a/include/r3_list.h
+++ b/include/r3_list.h
@@ -5,8 +5,8 @@
  * Distributed under terms of the MIT license.
  */
 
-#ifndef LIST_H
-#define LIST_H
+#ifndef R3_LIST_H
+#define R3_LIST_H
 
 #include <pthread.h>
  
@@ -32,4 +32,4 @@ void list_each_element(list *l, int (*func)(list_item *));
  
 
 
-#endif /* !LIST_H */
+#endif /* !R3_LIST_H */