diff --git a/src/libopensc/errors.c b/src/libopensc/errors.c
index a804467c..3ed6e8d4 100644
--- a/src/libopensc/errors.c
+++ b/src/libopensc/errors.c
@@ -61,6 +61,7 @@ const char *sc_strerror(int error)
 		"Unknown data received from card",
 		"PIN code or key incorrect",
 		"File already exists",
+		"Data object not found",
 	};
 	const int card_base = -SC_ERROR_CARD_CMD_FAILED;
 	const char *arg_errors[] = {
diff --git a/src/libopensc/errors.h b/src/libopensc/errors.h
index 07b633cf..e8f039b9 100644
--- a/src/libopensc/errors.h
+++ b/src/libopensc/errors.h
@@ -63,6 +63,7 @@ extern "C" {
 #define SC_ERROR_UNKNOWN_DATA_RECEIVED		-1213
 #define SC_ERROR_PIN_CODE_INCORRECT		-1214
 #define SC_ERROR_FILE_ALREADY_EXISTS		-1215
+#define SC_ERROR_DATA_OBJECT_NOT_FOUND		-1216
 
 /* Returned by OpenSC library when called with invalid arguments */
 #define SC_ERROR_INVALID_ARGUMENTS		-1300