diff --git a/test/UsefulBuf_Tests.c b/test/UsefulBuf_Tests.c
index 2b9a28e..cfa1262 100644
--- a/test/UsefulBuf_Tests.c
+++ b/test/UsefulBuf_Tests.c
@@ -403,11 +403,11 @@
    if(!UsefulBuf_IsNULLC(UsefulBuf_Tail(xxyy, 5))) {
       return "tail should have failed";
    }
-   
+
    if(!UsefulBuf_IsNULLC(UsefulBuf_Tail(NULLUsefulBufC, 0))) {
       return "tail of NULLUsefulBufC is not NULLUsefulBufC";
    }
-   
+
    const UsefulBufC TailResult = UsefulBuf_Tail((UsefulBufC){NULL, 100}, 99);
    if(TailResult.ptr != NULL || TailResult.len != 1) {
       return "tail of NULL and length incorrect";