diff --git a/src/tinyformat.h b/src/tinyformat.h
index 17f0360c4..01ef7ccdd 100644
--- a/src/tinyformat.h
+++ b/src/tinyformat.h
@@ -705,23 +705,27 @@ inline const char* streamStateFromFormat(std::ostream& out, bool& spacePadPositi
             break;
         case 'X':
             out.setf(std::ios::uppercase);
+            // Falls through
         case 'x': case 'p':
             out.setf(std::ios::hex, std::ios::basefield);
             intConversion = true;
             break;
         case 'E':
             out.setf(std::ios::uppercase);
+            // Falls through
         case 'e':
             out.setf(std::ios::scientific, std::ios::floatfield);
             out.setf(std::ios::dec, std::ios::basefield);
             break;
         case 'F':
             out.setf(std::ios::uppercase);
+            // Falls through
         case 'f':
             out.setf(std::ios::fixed, std::ios::floatfield);
             break;
         case 'G':
             out.setf(std::ios::uppercase);
+            // Falls through
         case 'g':
             out.setf(std::ios::dec, std::ios::basefield);
             // As in boost::format, let stream decide float format.