diff --git a/src/main.cpp b/src/main.cpp
index 2a6b9f6..ebe0e62 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -714,8 +714,8 @@ int main(int argc, char** argv)
 
     if (modelname == PATHSTR("realesr-animevideov3"))
     {
-        sprintf(parampath, "%s/%s-x%s.param", model.c_str(), modelname.c_str(), scale.c_str());
-        sprintf(modelpath, "%s/%s-x%s.bin", model.c_str(), modelname.c_str(), scale.c_str());
+        sprintf(parampath, "%s/%s-x%s.param", model.c_str(), modelname.c_str(), std::to_string(scale).c_str());
+        sprintf(modelpath, "%s/%s-x%s.bin", model.c_str(), modelname.c_str(), std::to_string(scale).c_str());
     }
     else{
         sprintf(parampath, "%s/%s.param", model.c_str(), modelname.c_str());