diff --git a/src/PowderToySDL.cpp b/src/PowderToySDL.cpp
index b416fb6e2..745f1d4a6 100644
--- a/src/PowderToySDL.cpp
+++ b/src/PowderToySDL.cpp
@@ -772,6 +772,7 @@ int main(int argc, char * argv[])
 		ByteString value;
 		if (arg.has_value())
 		{
+			value = arg.value();
 			if (value == "")
 			{
 				value = defaultValue;