diff --git a/conanfile.py b/conanfile.py
index d553a8a..b52bbb7 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -25,7 +25,7 @@ class CreatureLibConan(ConanFile):
         if self.options.staticC:
             self.output.info("Linking C libraries statically")
             cmake.definitions["STATICC"] = "ON"
-        self.output.info("Using level size of: %x" % self.options.level_size)
+        self.output.info("Using level size of: %s" % self.options.level_size)
         cmake.definitions["LEVEL_SIZE"] = self.options.level_size;
 
         cmake.configure()