diff --git a/src/loader.zig b/src/loader.zig
index 2996a78..97591e6 100644
--- a/src/loader.zig
+++ b/src/loader.zig
@@ -2,6 +2,7 @@ const std = @import("std");
 const testing = std.testing;
 const parser = @import("./parser.zig");
 const setenv = @import("./utils.zig").setenv;
+const toCString = @import("./utils.zig").toCString;
 
 const Error = error{
     LineParseError,
@@ -13,21 +14,6 @@ pub const Options = struct {
     override: bool = false,
 };
 
-// https://github.com/ziglang/zig/wiki/Zig-Newcomer-Programming-FAQs#converting-from-t-to-0t
-fn toCString(str: []const u8) ![std.fs.MAX_PATH_BYTES - 1:0]u8 {
-    if (std.debug.runtime_safety) {
-        std.debug.assert(std.mem.indexOfScalar(u8, str, 0) == null);
-    }
-    var path_with_null: [std.fs.MAX_PATH_BYTES - 1:0]u8 = undefined;
-
-    if (str.len >= std.fs.MAX_PATH_BYTES) {
-        return error.NameTooLong;
-    }
-    @memcpy(path_with_null[0..str.len], str);
-    path_with_null[str.len] = 0;
-    return path_with_null;
-}
-
 pub const Loader = struct {
     allocator: std.mem.Allocator,
     parser: parser.LineParser,
diff --git a/src/utils.zig b/src/utils.zig
index e9fea3d..227e338 100644
--- a/src/utils.zig
+++ b/src/utils.zig
@@ -4,6 +4,21 @@ const testing = std.testing;
 /// libc setenv
 pub extern "c" fn setenv(name: [*:0]const u8, value: [*:0]const u8, overwrite: c_int) c_int;
 
+// https://github.com/ziglang/zig/wiki/Zig-Newcomer-Programming-FAQs#converting-from-t-to-0t
+pub fn toCString(str: []const u8) ![std.fs.MAX_PATH_BYTES - 1:0]u8 {
+    if (std.debug.runtime_safety) {
+        std.debug.assert(std.mem.indexOfScalar(u8, str, 0) == null);
+    }
+    var path_with_null: [std.fs.MAX_PATH_BYTES - 1:0]u8 = undefined;
+
+    if (str.len >= std.fs.MAX_PATH_BYTES) {
+        return error.NameTooLong;
+    }
+    @memcpy(path_with_null[0..str.len], str);
+    path_with_null[str.len] = 0;
+    return path_with_null;
+}
+
 /// Default File name
 const default_file_name = ".env";