diff --git a/cpu/esp32/ld/esp32.common.ld b/cpu/esp32/ld/esp32.common.ld
index 1514f23b46..a895ccc6de 100644
--- a/cpu/esp32/ld/esp32.common.ld
+++ b/cpu/esp32/ld/esp32.common.ld
@@ -107,6 +107,7 @@ SECTIONS
     /* part of RIOT ports that should run in IRAM */
     *cpu.a:*(.literal .text .literal.* .text.*)
     *periph.a:*(.literal .text .literal.* .text.*)
+    *mtd.a:**(.literal .text .literal.* .text.*)
 
     INCLUDE esp32.spiram.rom-functions-iram.ld
     _iram_text_end = ABSOLUTE(.);