diff --git a/qerror.c b/qerror.c
index 17532b066..56083c489 100644
--- a/qerror.c
+++ b/qerror.c
@@ -64,6 +64,10 @@ static const QErrorStringTable qerror_table[] = {
         .error_fmt = QERR_DEVICE_NOT_REMOVABLE,
         .desc      = "Device %(device) is not removable",
     },
+    {
+        .error_fmt = QERR_INVALID_BLOCK_FORMAT,
+        .desc      = "Invalid block format %(name)",
+    },
     {
         .error_fmt = QERR_INVALID_PARAMETER_TYPE,
         .desc      = "Invalid parameter type, expected: %(expected)",
diff --git a/qerror.h b/qerror.h
index 2abff1e00..681390cf1 100644
--- a/qerror.h
+++ b/qerror.h
@@ -56,6 +56,9 @@ QError *qobject_to_qerror(const QObject *obj);
 #define QERR_DEVICE_NOT_REMOVABLE \
     "{ 'class': 'DeviceNotRemovable', 'data': { 'device': %s } }"
 
+#define QERR_INVALID_BLOCK_FORMAT \
+    "{ 'class': 'InvalidBlockFormat', 'data': { 'name': %s } }"
+
 #define QERR_INVALID_PARAMETER_TYPE \
     "{ 'class': 'InvalidParameterType', 'data': { 'name': %s,'expected': %s } }"