diff --git a/arch/arm/src/stm32/stm32_rng.c b/arch/arm/src/stm32/stm32_rng.c
index 2cc1e6409ca..9d727e4fef5 100644
--- a/arch/arm/src/stm32/stm32_rng.c
+++ b/arch/arm/src/stm32/stm32_rng.c
@@ -302,7 +302,7 @@ void devrandom_register(void)
 void devurandom_register(void)
 {
 #ifndef CONFIG_DEV_RANDOM
-  stm32l4_rnginitialize();
+  stm32_rng_initialize();
 #endif
   (void)register_driver("/dev/urandom", &g_rngops, 0444, NULL);
 }