diff --git a/logging_test.cpp b/logging_test.cpp
index 279d02b..d7d82ce 100644
--- a/logging_test.cpp
+++ b/logging_test.cpp
@@ -229,7 +229,7 @@
 
 int main(int argc, char* argv[])
 {
-    char arg;
+    int arg;
 
     if (argc == 1)
         return elog_test();