diff --git a/arch/x86/kernel/apic/es7000_32.c b/arch/x86/kernel/apic/es7000_32.c
index 9882093f26e8d9fe4c84a01d3ad3d54ed0058600..0874799a98c6fbe37ee34baaad7cbdc3bd616744 100644
--- a/arch/x86/kernel/apic/es7000_32.c
+++ b/arch/x86/kernel/apic/es7000_32.c
@@ -542,7 +542,7 @@ es7000_cpu_mask_to_apicid(const struct cpumask *cpumask, unsigned int *dest_id)
 
 			return -EINVAL;
 		}
-		apicid = new_apicid;
+		apicid |= new_apicid;
 		round++;
 	}
 	if (!round)