diff --git a/bdk/mem/minerva.c b/bdk/mem/minerva.c
index 184689e..44468f9 100644
--- a/bdk/mem/minerva.c
+++ b/bdk/mem/minerva.c
@@ -171,7 +171,7 @@ void minerva_prep_boot_freq()
 	minerva_change_freq(FREQ_800);
 }
 
-void minerva_prep_boot_l4t(int oc_freq)
+void minerva_prep_boot_l4t(u32 oc_freq)
 {
 	if (!minerva_cfg)
 		return;
@@ -201,7 +201,10 @@ void minerva_prep_boot_l4t(int oc_freq)
 	{
 		mtc_cfg->rate_to = mtc_cfg->mtc_table[i].rate_khz;
 		// Skip already trained frequencies.
-		if (mtc_cfg->rate_to == FREQ_204 || mtc_cfg->rate_to == FREQ_800 || mtc_cfg->rate_to == FREQ_1600)
+		if (mtc_cfg->rate_to == FREQ_204  ||
+			mtc_cfg->rate_to == FREQ_800  ||
+			mtc_cfg->rate_to == FREQ_1600 ||
+			mtc_cfg->rate_to == oc_freq) // Skip OC freq since Arachne handles it.
 			continue;
 
 		// Train frequency.
diff --git a/bdk/mem/minerva.h b/bdk/mem/minerva.h
index 9f71e83..8e20bbd 100644
--- a/bdk/mem/minerva.h
+++ b/bdk/mem/minerva.h
@@ -63,7 +63,7 @@ u32  minerva_init();
 void minerva_change_freq(minerva_freq_t freq);
 void minerva_sdmmc_la_program(void *table, bool t210b01);
 void minerva_prep_boot_freq();
-void minerva_prep_boot_l4t(int oc_freq);
+void minerva_prep_boot_l4t(u32 oc_freq);
 void minerva_periodic_training();
 emc_table_t *minerva_get_mtc_table();
 int minerva_get_mtc_table_entries();