diff --git a/board/stmicroelectronics/common/stm32f4xx/uclibc-fragment.config b/board/stmicroelectronics/common/stm32f4xx/uclibc-fragment.config
new file mode 100644
index 000000000000..fb8fa9ee01c3
--- /dev/null
+++ b/board/stmicroelectronics/common/stm32f4xx/uclibc-fragment.config
@@ -0,0 +1,2 @@
+# MALLOC is not set
+MALLOC_SIMPLE=y
diff --git a/configs/stm32f429_disco_xip_defconfig b/configs/stm32f429_disco_xip_defconfig
index 489303b93e0d..e6edfa906177 100644
--- a/configs/stm32f429_disco_xip_defconfig
+++ b/configs/stm32f429_disco_xip_defconfig
@@ -1,6 +1,7 @@
 BR2_arm=y
 BR2_cortex_m4=y
 BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_1=y
+BR2_UCLIBC_CONFIG_FRAGMENT_FILES="board/stmicroelectronics/common/stm32f4xx/uclibc-fragment.config"
 # BR2_UCLIBC_INSTALL_UTILS is not set
 BR2_ENABLE_LTO=y
 BR2_GLOBAL_PATCH_DIR="board/stmicroelectronics/stm32f429-disco/patches"