diff --git a/tests/span_tests.cpp b/tests/span_tests.cpp
index 542e2e0..1a4633d 100644
--- a/tests/span_tests.cpp
+++ b/tests/span_tests.cpp
@@ -18,7 +18,7 @@
 // blanket turn off warnings from CppCoreCheck from catch
 // so people aren't annoyed by them when running the tool.
 #pragma warning(disable : 26440 26426 26497 4189 4996)
-#endif 
+#endif
 
 #if __clang__ || __GNUC__
 //disable warnings from gtest