diff --git a/src/objcopy.zig b/src/objcopy.zig
index ad405b27f7f1dbbfb8167012630885df0eb94609..1dc081f2bbfde80381fdcb7128e9ffe1e6849563 100644
--- a/src/objcopy.zig
+++ b/src/objcopy.zig
@@ -124,7 +124,7 @@ pub fn cmdObjCopy(
     };
 
     const mode = mode: {
-        if (out_fmt != .elf or !only_keep_debug)
+        if (out_fmt != .elf or only_keep_debug)
             break :mode fs.File.default_mode;
         if (in_file.stat()) |stat|
             break :mode stat.mode