diff --git a/src/libopensc/errors.h b/src/libopensc/errors.h
index 620775df..07b633cf 100644
--- a/src/libopensc/errors.h
+++ b/src/libopensc/errors.h
@@ -86,6 +86,7 @@ extern "C" {
 #define SC_ERROR_DECRYPT_FAILED			-1411
 #define SC_ERROR_WRONG_PADDING			-1412
 #define SC_ERROR_WRONG_CARD			-1413
+#define SC_ERROR_CANNOT_LOAD_MODULE		-1414
 
 /* Relating to PKCS #15 init stuff */
 #define SC_ERROR_PKCS15INIT			-1500