diff --git a/tests/paramgrill.c b/tests/paramgrill.c
index bcb6bcae3..e530af735 100644
--- a/tests/paramgrill.c
+++ b/tests/paramgrill.c
@@ -2256,9 +2256,8 @@ int main(int argc, const char** argv)
                             g_params.strategy = (ZSTD_strategy)readU32FromChar(&argument);
                             continue;
                         case 'L':
-                            {   int cLevel;
-                                argument++;
-                                cLevel = readU32FromChar(&argument);
+                            {   argument++;
+                                int const cLevel = readU32FromChar(&argument);
                                 g_params = ZSTD_getCParams(cLevel, g_blockSize, 0);
                                 continue;
                             }