diff --git a/arch/xtensa/src/esp32/esp32_spiflash.c b/arch/xtensa/src/esp32/esp32_spiflash.c
index b0ef6c5a3d..58ead91be6 100644
--- a/arch/xtensa/src/esp32/esp32_spiflash.c
+++ b/arch/xtensa/src/esp32/esp32_spiflash.c
@@ -536,7 +536,7 @@ static void IRAM_ATTR spiflash_flushmapped(size_t start, size_t size)
           esp_spiram_writeback_cache();
 #endif
           Cache_Flush(0);
-#ifndef CONFIG_SMP
+#ifdef CONFIG_SMP
           Cache_Flush(1);
 #endif
         }