diff --git a/binlog.c b/binlog.c
index 5e908db..36407f7 100644
--- a/binlog.c
+++ b/binlog.c
@@ -16,7 +16,11 @@
 
     Copyright Vitaly Valtman 2013
 */
+
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
+
 #ifdef USE_LUA
 # include "lua-tg.h"
 #endif
diff --git a/interface.c b/interface.c
index 71e699c..24ac58f 100644
--- a/interface.c
+++ b/interface.c
@@ -17,7 +17,10 @@
     Copyright Vitaly Valtman 2013
 */
 
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
+
 #define _GNU_SOURCE 
 
 #include <assert.h>
diff --git a/loop.c b/loop.c
index fa06a2c..c8bc2e7 100644
--- a/loop.c
+++ b/loop.c
@@ -16,13 +16,16 @@
 
     Copyright Vitaly Valtman 2013
 */
-#define READLINE_CALLBACKS
+
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
+
+#define READLINE_CALLBACKS
 #define _GNU_SOURCE
 
 #include <assert.h>
 #include <stdio.h>
-
 #include <stdlib.h>
 #include <string.h>
 #ifdef READLINE_GNU
diff --git a/lua-tg.c b/lua-tg.c
index c3ff97e..62d9bb7 100644
--- a/lua-tg.c
+++ b/lua-tg.c
@@ -1,4 +1,6 @@
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
 
 #ifdef USE_LUA
 #include "lua-tg.h"
diff --git a/main.c b/main.c
index a832109..88410be 100644
--- a/main.c
+++ b/main.c
@@ -16,8 +16,12 @@
 
     Copyright Vitaly Valtman 2013
 */
-#define _GNU_SOURCE
+
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
+
+#define _GNU_SOURCE
 
 #include <stdio.h>
 #include <unistd.h>
diff --git a/mtproto-client.c b/mtproto-client.c
index 7f1d592..844af9c 100644
--- a/mtproto-client.c
+++ b/mtproto-client.c
@@ -17,6 +17,11 @@
     Copyright Nikolay Durov, Andrey Lopatin 2012-2013
     Copyright Vitaly Valtman 2013
 */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #define        _FILE_OFFSET_BITS        64
 
 #include <assert.h>
diff --git a/mtproto-common.c b/mtproto-common.c
index 6d958de..12efcca 100644
--- a/mtproto-common.c
+++ b/mtproto-common.c
@@ -17,6 +17,11 @@
     Copyright Nikolay Durov, Andrey Lopatin 2012-2013
     Copyright Vitaly Valtman 2013
 */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #define	_FILE_OFFSET_BITS	64
 
 #include <assert.h>
diff --git a/net.c b/net.c
index 6c672fc..bbc9a48 100644
--- a/net.c
+++ b/net.c
@@ -16,6 +16,11 @@
 
     Copyright Vitaly Valtman 2013
 */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #define _GNU_SOURCE
 #include <string.h>
 #include <stdlib.h>
diff --git a/queries.c b/queries.c
index 339e214..de0232b 100644
--- a/queries.c
+++ b/queries.c
@@ -16,6 +16,11 @@
 
     Copyright Vitaly Valtman 2013
 */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #define _FILE_OFFSET_BITS 64
 #include <string.h>
 #include <memory.h>
diff --git a/structures.c b/structures.c
index 0bde616..81af89b 100644
--- a/structures.c
+++ b/structures.c
@@ -17,7 +17,9 @@
     Copyright Vitaly Valtman 2013
 */
 
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
 
 #include <assert.h>
 #include <string.h>
diff --git a/tools.c b/tools.c
index 208036f..74ff5d2 100644
--- a/tools.c
+++ b/tools.c
@@ -17,6 +17,10 @@
     Copyright Vitaly Valtman 2013
 */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #define _GNU_SOURCE
 
 #include <assert.h>