diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 3ddda59f70873b20878b1c173940bc3ea4b0ab78..a9214e6e721a1d24224407a7a0cdcc79fdf04c8d 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -620,7 +620,9 @@ static void __init zone_sizes_init(void)
 #ifdef CONFIG_ZONE_DMA
 	max_zone_pfns[ZONE_DMA] = MAX_DMA_PFN;
 #endif
+#ifdef CONFIG_ZONE_DMA32
 	max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
+#endif
 	max_zone_pfns[ZONE_NORMAL] = max_pfn;
 
 	free_area_init_nodes(max_zone_pfns);