diff --git a/build.zig b/build.zig
index 33acdc7..841c600 100644
--- a/build.zig
+++ b/build.zig
@@ -100,6 +100,7 @@ fn runZig(
         .root_source_file = b.path("src/main.zig"),
         .target = b.resolveTargetQuery(target),
         .optimize = optimize,
+        .link_libc = true,
     });
     unit_tests.addCSourceFile(.{ .file = b.path("stb/stb.c") });
     unit_tests.addIncludePath(dep_stb.path(""));
diff --git a/readme.md b/readme.md
index ce7fb51..ca20f76 100644
--- a/readme.md
+++ b/readme.md
@@ -57,7 +57,7 @@ run the program with the following options (the default zig install directory is
    with brightness boost and url input:
    ```bash
    # bonus (this is a sweet wallpaper)
-   asciigen -i "https://w.wallhaven.cc/full/p9/wallhaven-p9gr2p.jpg" -o output.png -c -e -b 1.5
+   asciigen -i "https://w.wallhaven.cc/full/p9/wallhaven-p9gr2p.jpg" -o output.png -e -c-b 1.5
    ```
 
 3. the program will generate an ascii art version of your input image and save it as a new image file.
diff --git a/src/main.zig b/src/main.zig
index 98644cf..70ffda2 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -731,7 +731,12 @@ test "test_ascii_generation" {
 
     // Create a temporary file path
     var tmp_path_buf: [std.fs.MAX_PATH_BYTES]u8 = undefined;
-    const tmp_path = try std.fmt.bufPrintZ(&tmp_path_buf, "test_ascii_output.png", .{});
+    try std.fs.cwd().makePath("test_output");
+    const tmp_path = try std.fmt.bufPrintZ(
+        &tmp_path_buf,
+        "test_output/test_ascii_output.png",
+        .{},
+    );
 
     // Set up test arguments
     const test_args = Args{