diff --git a/boards/arm/lc823450/lc823450-xgevk/configs/posix_spawn/defconfig b/boards/arm/lc823450/lc823450-xgevk/configs/posix_spawn/defconfig
index 7d4bc0ccba..3b7c7e0a08 100644
--- a/boards/arm/lc823450/lc823450-xgevk/configs/posix_spawn/defconfig
+++ b/boards/arm/lc823450/lc823450-xgevk/configs/posix_spawn/defconfig
@@ -73,4 +73,4 @@ CONFIG_UART0_RXBUFSIZE=512
 CONFIG_UART0_SERIAL_CONSOLE=y
 CONFIG_UART0_TXBUFSIZE=2048
 CONFIG_USERMAIN_STACKSIZE=3072
-CONFIG_USER_ENTRYPOINT="spawn_main"
+CONFIG_USER_ENTRYPOINT="posix_spawn_main"
diff --git a/boards/arm/stm32/stm32f4discovery/configs/posix_spawn/defconfig b/boards/arm/stm32/stm32f4discovery/configs/posix_spawn/defconfig
index e14ecd8bce..f65cf9ec50 100644
--- a/boards/arm/stm32/stm32f4discovery/configs/posix_spawn/defconfig
+++ b/boards/arm/stm32/stm32f4discovery/configs/posix_spawn/defconfig
@@ -52,5 +52,5 @@ CONFIG_SYMTAB_ORDEREDBYNAME=y
 CONFIG_USART2_RXBUFSIZE=128
 CONFIG_USART2_SERIAL_CONSOLE=y
 CONFIG_USART2_TXBUFSIZE=128
-CONFIG_USER_ENTRYPOINT="spawn_main"
+CONFIG_USER_ENTRYPOINT="posix_spawn_main"
 CONFIG_WDOG_INTRESERVE=0