diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index 289572c755..572b681a05 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/src/libslic3r/PrintConfig.cpp
@@ -12244,7 +12244,7 @@ CLIMiscConfigDef::CLIMiscConfigDef()
     def->cli_params = "level";
     def->set_default_value(new ConfigOptionInt(1));
 
-    def = this->add("logfile", coInt);
+    def = this->add("logfile", coString);
     def->label = L("Log file");
     def->tooltip = L("Redirects debug logging to file.\n");
     def->cli_params = "file";