diff --git a/ChangeLog b/ChangeLog
index 9880d1320..0d65cec31 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -12,6 +12,8 @@ Bugfix
    * Potential memory leak in mpi_exp_mod() when error occurs during
      calculation of RR.
    * Fixed malloc/free default #define in platform.c (found by Gergely Budai).
+   * Fixed type which made POLARSSL_ENTROPY_FORCE_SHA256 uneffective (found by
+     Gergely Budai).
 
 = PolarSSL 1.3.5 released on 2014-03-26
 Features
diff --git a/include/polarssl/entropy.h b/include/polarssl/entropy.h
index 73e06f69b..9a5f4d7eb 100644
--- a/include/polarssl/entropy.h
+++ b/include/polarssl/entropy.h
@@ -31,7 +31,7 @@
 
 #include "config.h"
 
-#if defined(POLARSSL_SHA512_C) && !defined(POLARSSL_FORCE_ENTROPY_SHA256)
+#if defined(POLARSSL_SHA512_C) && !defined(POLARSSL_ENTROPY_FORCE_SHA256)
 #include "sha512.h"
 #define POLARSSL_ENTROPY_SHA512_ACCUMULATOR
 #else