diff --git a/src/UsefulBuf.c b/src/UsefulBuf.c
index 8cb8c49..282b6ad 100644
--- a/src/UsefulBuf.c
+++ b/src/UsefulBuf.c
@@ -70,7 +70,7 @@
     
    memcpy((uint8_t *)Dest.ptr + uOffset, Src.ptr, Src.len);
     
-   return((UsefulBufC){Dest.ptr, Src.len + uOffset});
+   return (UsefulBufC){Dest.ptr, Src.len + uOffset};
 }
 
 
@@ -277,7 +277,7 @@
       return NULLUsefulBufC;
    }
     
-   return(UsefulBufC){me->UB.ptr,me->data_len};
+   return (UsefulBufC){me->UB.ptr,me->data_len};
 }
 
 
@@ -288,7 +288,7 @@
  */
 UsefulBufC UsefulOutBuf_CopyOut(UsefulOutBuf *me, UsefulBuf pDest)
 {
-   UsefulBufC Tmp = UsefulOutBuf_OutUBuf(me);
+   const UsefulBufC Tmp = UsefulOutBuf_OutUBuf(me);
    if(UsefulBuf_IsNULLC(Tmp)) {
       return NULLUsefulBufC;
    }