diff --git a/include/polarssl/config.h b/include/polarssl/config.h
index 1cf5b50..014bc14 100644
--- a/include/polarssl/config.h
+++ b/include/polarssl/config.h
@@ -151,6 +151,7 @@
  *
  * Module:  library/aes.c
  * Caller:  library/ssl_tls.c
+ *          library/pem.c
  *
  * This module enables the following ciphersuites:
  *      SSL_RSA_AES_128_SHA
@@ -371,6 +372,18 @@
 #define POLARSSL_PADLOCK_C
 
 /**
+ * \def POLARSSL_PEM_C
+ *
+ * Enable PEM decoding
+ *
+ * Module:  library/pem.c
+ * Caller:  library/x509parse.c
+ *
+ * This modules adds support for decoding PEM files.
+ */
+#define POLARSSL_PEM_C
+
+/**
  * \def POLARSSL_RSA_C
  *
  * Enable the RSA public-key cryptosystem.