diff --git a/lib/dictBuilder/cover.c b/lib/dictBuilder/cover.c
index 3770c2cac..64f23f23c 100644
--- a/lib/dictBuilder/cover.c
+++ b/lib/dictBuilder/cover.c
@@ -998,6 +998,7 @@ ZDICTLIB_API size_t ZDICT_optimizeTrainFromBuffer_cover(
       data->parameters.k = k;
       data->parameters.d = d;
       data->parameters.steps = kSteps;
+      data->parameters.zParams.notificationLevel = g_displayLevel;
       /* Check the parameters */
       if (!COVER_checkParameters(data->parameters)) {
         DISPLAYLEVEL(1, "Cover parameters incorrect\n");