diff --git a/Src/stm32l4xx_ll_rng.c b/Src/stm32l4xx_ll_rng.c
index 2d7dabf..7ae8a02 100644
--- a/Src/stm32l4xx_ll_rng.c
+++ b/Src/stm32l4xx_ll_rng.c
@@ -85,14 +85,24 @@
   */
 ErrorStatus LL_RNG_DeInit(RNG_TypeDef *RNGx)
 {
+  ErrorStatus status = SUCCESS;
+
   /* Check the parameters */
   assert_param(IS_RNG_ALL_INSTANCE(RNGx));
-  /* Enable RNG reset state */
-  LL_AHB2_GRP1_ForceReset(LL_AHB2_GRP1_PERIPH_RNG);
+  if (RNGx == RNG)
+  {
+    /* Enable RNG reset state */
+    LL_AHB2_GRP1_ForceReset(LL_AHB2_GRP1_PERIPH_RNG);
 
-  /* Release RNG from reset state */
-  LL_AHB2_GRP1_ReleaseReset(LL_AHB2_GRP1_PERIPH_RNG);
-  return (SUCCESS);
+    /* Release RNG from reset state */
+    LL_AHB2_GRP1_ReleaseReset(LL_AHB2_GRP1_PERIPH_RNG);
+  }
+  else
+  {
+    status = ERROR;
+  }
+
+  return status;
 }
 
 #if defined(RNG_CR_CED)