diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index ff6c3352bf..7ba6f1377e 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -24,6 +24,13 @@ config ARCH_CHIP_ESP32
 	select LIBC_ARCH_MEMCMP
 	select LIBC_ARCH_MEMMOVE
 	select LIBC_ARCH_MEMSET
+	select LIBC_ARCH_STRCHR
+	select LIBC_ARCH_STRCMP
+	select LIBC_ARCH_STRCPY
+	select LIBC_ARCH_STRLCPY
+	select LIBC_ARCH_STRNCPY
+	select LIBC_ARCH_STRLEN
+	select LIBC_ARCH_STRNLEN
 	---help---
 		The ESP32 is a dual-core system from Espressif with two Harvard
 		architecture Xtensa LX6 CPUs. All embedded memory, external memory