diff --git a/.travis.yml b/.travis.yml
index 7ed130a..04647be 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -147,7 +147,7 @@
         - scripts/config.py unset MBEDTLS_AESNI_C
         - scripts/config.py unset MBEDTLS_PADLOCK_C
         - scripts/config.py set MBEDTLS_AESCE_C
-        - scripts/config.py set MBEDTLS_AES_HAS_NO_BUILTIN
+        - scripts/config.py set MBEDTLS_AES_HAS_NO_PLAIN_C
         - make generated_files
         - make
         - programs/test/selftest
diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index a086bfe..d5753ca 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -4009,6 +4009,6 @@
 /*
  * Platform independent implementation for crypto algorithms.
  */
-//#define MBEDTLS_AES_HAS_NO_BUILTIN /* Uncomment to disable built-in platform independent code of AES */
+//#define MBEDTLS_AES_HAS_NO_PLAIN_C /* Uncomment to disable built-in platform independent code of AES */
 
 /** \} name SECTION: Module configuration options */
diff --git a/library/aesce.c b/library/aesce.c
index baa01db..982cad6 100644
--- a/library/aesce.c
+++ b/library/aesce.c
@@ -99,7 +99,7 @@
 #include <sys/auxv.h>
 #endif
 
-#if !defined(MBEDTLS_AES_HAS_NO_BUILTIN)
+#if !defined(MBEDTLS_AES_HAS_NO_PLAIN_C)
 /*
  * AES instruction support detection routine
  */
diff --git a/library/aesce.h b/library/aesce.h
index b166e15..1b2edad 100644
--- a/library/aesce.h
+++ b/library/aesce.h
@@ -47,7 +47,7 @@
  *
  * \return         1 if CPU has support for the feature, 0 otherwise
  */
-#if !defined(MBEDTLS_AES_HAS_NO_BUILTIN)
+#if !defined(MBEDTLS_AES_HAS_NO_PLAIN_C)
 int mbedtls_aesce_has_support(void);
 #else
 #define /* no-check-names */ mbedtls_aesce_has_support() 1
diff --git a/library/aesni.c b/library/aesni.c
index b6d1191..766b671 100644
--- a/library/aesni.c
+++ b/library/aesni.c
@@ -39,7 +39,7 @@
 #include <immintrin.h>
 #endif
 
-#if !defined(MBEDTLS_AES_HAS_NO_BUILTIN)
+#if !defined(MBEDTLS_AES_HAS_NO_PLAIN_C)
 /*
  * AES-NI support detection routine
  */
@@ -69,7 +69,7 @@
 
     return (c & what) != 0;
 }
-#endif /* !MBEDTLS_AES_HAS_NO_BUILTIN */
+#endif /* !MBEDTLS_AES_HAS_NO_PLAIN_C */
 
 #if MBEDTLS_AESNI_HAVE_CODE == 2
 
diff --git a/library/aesni.h b/library/aesni.h
index fa1f369..341350a 100644
--- a/library/aesni.h
+++ b/library/aesni.h
@@ -88,7 +88,7 @@
  *
  * \return         1 if CPU has support for the feature, 0 otherwise
  */
-#if !defined(MBEDTLS_AES_HAS_NO_BUILTIN)
+#if !defined(MBEDTLS_AES_HAS_NO_PLAIN_C)
 int mbedtls_aesni_has_support(unsigned int what);
 #else
 #define /* no-check-names */ mbedtls_aesni_has_support(what) 1
diff --git a/library/padlock.c b/library/padlock.c
index 111b28c..eeb6368 100644
--- a/library/padlock.c
+++ b/library/padlock.c
@@ -33,7 +33,7 @@
 
 #if defined(MBEDTLS_HAVE_X86)
 
-#if !defined(MBEDTLS_AES_HAS_NO_BUILTIN)
+#if !defined(MBEDTLS_AES_HAS_NO_PLAIN_C)
 /*
  * PadLock detection routine
  */
diff --git a/library/padlock.h b/library/padlock.h
index 10c1c69..7ec960d 100644
--- a/library/padlock.h
+++ b/library/padlock.h
@@ -68,7 +68,7 @@
  *
  * \return         non-zero if CPU has support for the feature, 0 otherwise
  */
-#if !defined(MBEDTLS_AES_HAS_NO_BUILTIN)
+#if !defined(MBEDTLS_AES_HAS_NO_PLAIN_C)
 int mbedtls_padlock_has_support(int feature);
 #else
 #define /* no-check-names */ mbedtls_padlock_has_support(feature) 1
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 8dd6b8c..20ced44 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -4946,7 +4946,7 @@
     scripts/config.py unset MBEDTLS_AESNI_C
     scripts/config.py unset MBEDTLS_PADLOCK_C
     scripts/config.py unset MBEDTLS_AESCE_C
-    scripts/config.py unset MBEDTLS_AES_HAS_NO_BUILTIN
+    scripts/config.py unset MBEDTLS_AES_HAS_NO_PLAIN_C
     msg "build: make, AES built-in only" # ~10s
     make
 
@@ -4959,7 +4959,7 @@
     scripts/config.py set MBEDTLS_AESNI_C
     scripts/config.py unset MBEDTLS_PADLOCK_C
     scripts/config.py unset MBEDTLS_AESCE_C
-    scripts/config.py set MBEDTLS_AES_HAS_NO_BUILTIN
+    scripts/config.py set MBEDTLS_AES_HAS_NO_PLAIN_C
     msg "build:  AESNI only" # ~10s
     make
 
@@ -4972,7 +4972,7 @@
     scripts/config.py unset MBEDTLS_AESNI_C
     scripts/config.py set MBEDTLS_PADLOCK_C
     scripts/config.py unset MBEDTLS_AESCE_C
-    scripts/config.py set MBEDTLS_AES_HAS_NO_BUILTIN
+    scripts/config.py set MBEDTLS_AES_HAS_NO_PLAIN_C
     msg "build: AES, VIA padlock only" # ~10s
     make CC=gcc CFLAGS="$ASAN_CFLAGS -m32 -O2" LDFLAGS="-m32 $ASAN_CFLAGS"