diff --git a/ChangeLog b/ChangeLog
index 027a97174..38c0d7256 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 mbed TLS ChangeLog (Sorted per branch, date)
 
+= mbed TLS x.x.x branch released xxxx-xx-xx
+
+Bugfix
+   * Fix namespacing in header files. REmove the `mbedtls` namespacing in
+     the `#include` in the header files. Resolves #857
+
 = mbed TLS 2.11.0 branch released 2018-06-18
 
 Features
diff --git a/configs/config-ccm-psk-tls1_2.h b/configs/config-ccm-psk-tls1_2.h
index a783e6b73..96515a276 100644
--- a/configs/config-ccm-psk-tls1_2.h
+++ b/configs/config-ccm-psk-tls1_2.h
@@ -83,6 +83,6 @@
  */
 #define MBEDTLS_SSL_MAX_CONTENT_LEN             512
 
-#include "mbedtls/check_config.h"
+#include "check_config.h"
 
 #endif /* MBEDTLS_CONFIG_H */
diff --git a/configs/config-mini-tls1_1.h b/configs/config-mini-tls1_1.h
index 013bc0300..a14fc10b4 100644
--- a/configs/config-mini-tls1_1.h
+++ b/configs/config-mini-tls1_1.h
@@ -73,6 +73,6 @@
 /* For testing with compat.sh */
 #define MBEDTLS_FS_IO
 
-#include "mbedtls/check_config.h"
+#include "check_config.h"
 
 #endif /* MBEDTLS_CONFIG_H */
diff --git a/configs/config-suite-b.h b/configs/config-suite-b.h
index 18e2c4036..23b53d612 100644
--- a/configs/config-suite-b.h
+++ b/configs/config-suite-b.h
@@ -112,6 +112,6 @@
  */
 #define MBEDTLS_SSL_MAX_CONTENT_LEN             1024
 
-#include "mbedtls/check_config.h"
+#include "check_config.h"
 
 #endif /* MBEDTLS_CONFIG_H */
diff --git a/configs/config-thread.h b/configs/config-thread.h
index 25db16bf0..7c4311333 100644
--- a/configs/config-thread.h
+++ b/configs/config-thread.h
@@ -89,6 +89,6 @@
 /* Save ROM and a few bytes of RAM by specifying our own ciphersuite list */
 #define MBEDTLS_SSL_CIPHERSUITES MBEDTLS_TLS_ECJPAKE_WITH_AES_128_CCM_8
 
-#include "mbedtls/check_config.h"
+#include "check_config.h"
 
 #endif /* MBEDTLS_CONFIG_H */
diff --git a/include/mbedtls/cmac.h b/include/mbedtls/cmac.h
index 913c05f8a..a4fd55256 100644
--- a/include/mbedtls/cmac.h
+++ b/include/mbedtls/cmac.h
@@ -28,7 +28,7 @@
 #ifndef MBEDTLS_CMAC_H
 #define MBEDTLS_CMAC_H
 
-#include "mbedtls/cipher.h"
+#include "cipher.h"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index 34dbec0bc..bdaaab2a4 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -2973,7 +2973,7 @@
 /* \} name SECTION: Customisation configuration options */
 
 /* Target and application specific configurations */
-//#define YOTTA_CFG_MBEDTLS_TARGET_CONFIG_FILE "mbedtls/target_config.h"
+//#define YOTTA_CFG_MBEDTLS_TARGET_CONFIG_FILE "target_config.h"
 
 #if defined(TARGET_LIKE_MBED) && defined(YOTTA_CFG_MBEDTLS_TARGET_CONFIG_FILE)
 #include YOTTA_CFG_MBEDTLS_TARGET_CONFIG_FILE
diff --git a/include/mbedtls/ctr_drbg.h b/include/mbedtls/ctr_drbg.h
index dcbc04792..3835d7299 100644
--- a/include/mbedtls/ctr_drbg.h
+++ b/include/mbedtls/ctr_drbg.h
@@ -36,7 +36,7 @@
 #include "aes.h"
 
 #if defined(MBEDTLS_THREADING_C)
-#include "mbedtls/threading.h"
+#include "threading.h"
 #endif
 
 #define MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED        -0x0034  /**< The entropy source failed. */
diff --git a/include/mbedtls/hmac_drbg.h b/include/mbedtls/hmac_drbg.h
index e0821cf78..2608de859 100644
--- a/include/mbedtls/hmac_drbg.h
+++ b/include/mbedtls/hmac_drbg.h
@@ -27,7 +27,7 @@
 #include "md.h"
 
 #if defined(MBEDTLS_THREADING_C)
-#include "mbedtls/threading.h"
+#include "threading.h"
 #endif
 
 /*
diff --git a/include/mbedtls/net.h b/include/mbedtls/net.h
index 28ae8217c..6c13b53fb 100644
--- a/include/mbedtls/net.h
+++ b/include/mbedtls/net.h
@@ -1,7 +1,7 @@
 /**
  * \file net.h
  *
- * \brief Deprecated header file that includes mbedtls/net_sockets.h
+ * \brief Deprecated header file that includes net_sockets.h
  *
  * \deprecated Superseded by mbedtls/net_sockets.h
  */
@@ -25,7 +25,7 @@
  */
 
 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
-#include "mbedtls/net_sockets.h"
+#include "net_sockets.h"
 #if defined(MBEDTLS_DEPRECATED_WARNING)
 #warning "Deprecated header file: Superseded by mbedtls/net_sockets.h"
 #endif /* MBEDTLS_DEPRECATED_WARNING */
diff --git a/include/mbedtls/platform.h b/include/mbedtls/platform.h
index 9d9c5293e..624cc642a 100644
--- a/include/mbedtls/platform.h
+++ b/include/mbedtls/platform.h
@@ -40,7 +40,7 @@
 #endif
 
 #if defined(MBEDTLS_HAVE_TIME)
-#include "mbedtls/platform_time.h"
+#include "platform_time.h"
 #endif
 
 #ifdef __cplusplus
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 45135500f..a96509ec7 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -62,7 +62,7 @@
 #endif
 
 #if defined(MBEDTLS_HAVE_TIME)
-#include "mbedtls/platform_time.h"
+#include "platform_time.h"
 #endif
 
 /*