diff --git a/library/error.c b/library/error.c
index 2ef00e2..22234cf 100644
--- a/library/error.c
+++ b/library/error.c
@@ -29,9 +29,11 @@
 #include POLARSSL_CONFIG_FILE
 #endif
 
-#if defined(POLARSSL_ERROR_C)
-
+#if defined(POLARSSL_ERROR_C) || defined(POLARSSL_ERROR_STRERROR_DUMMY)
 #include "polarssl/error.h"
+#endif
+
+#if defined(POLARSSL_ERROR_C)
 
 #if defined(POLARSSL_AES_C)
 #include "polarssl/aes.h"