diff --git a/libs/libc/stdio/lib_libvsprintf.c b/libs/libc/stdio/lib_libvsprintf.c
index 5933ba7713..9d2ba02b7e 100644
--- a/libs/libc/stdio/lib_libvsprintf.c
+++ b/libs/libc/stdio/lib_libvsprintf.c
@@ -407,16 +407,16 @@ static int vsprintf_internal(FAR struct lib_outstream_s *stream,
                     c = 'h';
                     break;
 
-                  case sizeof(unsigned long):
-                    c = 'l';
-                    break;
-
 #if defined(CONFIG_HAVE_LONG_LONG) && ULLONG_MAX != ULONG_MAX
                   case sizeof(unsigned long long):
                     c = 'l';
                     flags |= FL_LONG;
                     flags &= ~FL_SHORT;
                     break;
+#else
+                  case sizeof(unsigned long):
+                    c = 'l';
+                    break;
 #endif
                 }
             }