diff --git a/src/libopensc/errors.c b/src/libopensc/errors.c
index b48cc203..5d9fd8d8 100644
--- a/src/libopensc/errors.c
+++ b/src/libopensc/errors.c
@@ -96,6 +96,10 @@ const char *sc_strerror(int error)
 		"No default (transport) key available",
 		"The PKCS#15 Key/certificate ID specified is not unique",
 		"Unable to load key and certificate(s) from file",
+		"Object is not compatible with intended use",
+		"File template not found",
+		"Invalid PIN reference",
+		"File too small",
 	};
 	const int p15i_base = -SC_ERROR_PKCS15INIT;
 	const char *misc_errors[] = {
diff --git a/src/libopensc/errors.h b/src/libopensc/errors.h
index 07136c20..620775df 100644
--- a/src/libopensc/errors.h
+++ b/src/libopensc/errors.h
@@ -95,6 +95,10 @@ extern "C" {
 #define SC_ERROR_NO_DEFAULT_KEY			-1504
 #define SC_ERROR_ID_NOT_UNIQUE			-1505
 #define SC_ERROR_CANNOT_LOAD_KEY		-1006
+#define SC_ERROR_INCOMPATIBLE_OBJECT		-1007
+#define SC_ERROR_TEMPLATE_NOT_FOUND		-1008
+#define SC_ERROR_INVALID_PIN_REFERENCE		-1009
+#define SC_ERROR_FILE_TOO_SMALL			-1010
 
 /* Errors that do not fit the categories above */
 #define SC_ERROR_UNKNOWN			-1900