diff --git a/soc/xtensa/intel_adsp/common/soc_mp.c b/soc/xtensa/intel_adsp/common/soc_mp.c
index 1d10d77f868..4997bfba999 100644
--- a/soc/xtensa/intel_adsp/common/soc_mp.c
+++ b/soc/xtensa/intel_adsp/common/soc_mp.c
@@ -421,7 +421,7 @@ void idc_isr(void *param)
 	 * CPU".
 	 */
 	for (int i = 0; i < CONFIG_MP_NUM_CPUS; i++) {
-		IDC[start_rec.cpu].core[i].tfc = BIT(31);
+		IDC[prid()].core[i].tfc = BIT(31);
 	}
 }
 
@@ -456,6 +456,15 @@ void soc_idc_init(void)
 		CAVS_INTCTRL[core].l2.clear = CAVS_L2_IDC;
 
 	}
+
+	/* Clear out any existing pending interrupts that might be present */
+	for (int i = 0; i < CONFIG_MP_NUM_CPUS; i++) {
+		for (int j = 0; j < CONFIG_MP_NUM_CPUS; j++) {
+			IDC[i].core[j].tfc = BIT(31);
+		}
+	}
+
+	cpus_active[0] = true;
 }
 
 /**