diff --git a/libfprint/drivers/fpcmoc/fpc.c b/libfprint/drivers/fpcmoc/fpc.c
index 466a8096..33da2819 100644
--- a/libfprint/drivers/fpcmoc/fpc.c
+++ b/libfprint/drivers/fpcmoc/fpc.c
@@ -272,13 +272,14 @@ static void
 fpc_cmd_ssm_done (FpiSsm *ssm, FpDevice *dev, GError *error)
 {
   FpiDeviceFpcMoc *self = FPI_DEVICE_FPCMOC (dev);
-  CommandData *data = fpi_ssm_get_data (ssm);
+  CommandData *data = NULL;
 
   self->cmd_ssm = NULL;
   /* Notify about the SSM failure from here instead. */
   if (error)
     {
       fp_err ("%s error: %s ", G_STRFUNC, error->message);
+      data = fpi_ssm_get_data (ssm);
       if (data->callback)
         data->callback (self, NULL, error);
     }