diff --git a/qerror.c b/qerror.c
index 5f8fc5dec548c9b4df41d78730ef22ecb5743798..2f657f4f7b60906db0eeb6bc5f9aeeb6f479d272 100644
--- a/qerror.c
+++ b/qerror.c
@@ -72,6 +72,10 @@ static const QErrorStringTable qerror_table[] = {
         .error_fmt = QERR_FD_NOT_SUPPLIED,
         .desc      = "No file descriptor supplied via SCM_RIGHTS",
     },
+    {
+        .error_fmt = QERR_OPEN_FILE_FAILED,
+        .desc      = "Could not open '%(filename)'",
+    },
     {
         .error_fmt = QERR_INVALID_BLOCK_FORMAT,
         .desc      = "Invalid block format %(name)",
diff --git a/qerror.h b/qerror.h
index 9e220d6b4561da94ca3605f1c35245c73ce2513b..ee59615bd24390f506b0c29b0a006032daf31356 100644
--- a/qerror.h
+++ b/qerror.h
@@ -64,6 +64,9 @@ QError *qobject_to_qerror(const QObject *obj);
 #define QERR_FD_NOT_SUPPLIED \
     "{ 'class': 'FdNotSupplied', 'data': {} }"
 
+#define QERR_OPEN_FILE_FAILED \
+    "{ 'class': 'OpenFileFailed', 'data': { 'filename': %s } }"
+
 #define QERR_INVALID_BLOCK_FORMAT \
     "{ 'class': 'InvalidBlockFormat', 'data': { 'name': %s } }"