diff --git a/build.zig b/build.zig
index 862771d..2d17e3f 100644
--- a/build.zig
+++ b/build.zig
@@ -44,14 +44,14 @@ pub fn build(b: *std.Build) void {
     const omt_out_path = "3rd/libomt/bin/Release/net8.0/linux-x64/publish/";
     const lib_dir = b.getInstallPath(.lib, "");
 
-    const copy_omt_h = b.installFile(
-        omt_out_path ++ "libomt.h",
-        lib_dir ++ "libomt.h",
+    const copy_omt_h = b.addInstallFile(
+        b.path(b.pathJoin(&.{ omt_out_path, "libomt.h" })),
+        b.pathJoin(&.{ lib_dir, "libomt.h" }),
     );
 
-    const copy_omt_so = b.installFile(
-        omt_out_path ++ "libomt.so",
-        lib_dir ++ "libomt.so",
+    const copy_omt_so = b.addInstallFile(
+        b.path(b.pathJoin(&.{ omt_out_path, "libomt.so" })),
+        b.pathJoin(&.{ lib_dir, "libomt.so" }),
     );
 
     // Define executable
@@ -66,6 +66,8 @@ pub fn build(b: *std.Build) void {
 
     sender_exe.linkSystemLibrary("omt");
     sender_exe.linkLibC();
+    sender_exe.step.dependOn(&copy_omt_h.step);
+    sender_exe.step.dependOn(&copy_omt_so.step);
 
     const receiver_exe = b.addExecutable(.{
         .name = "omtoy-receiver",
@@ -78,8 +80,8 @@ pub fn build(b: *std.Build) void {
 
     receiver_exe.linkSystemLibrary("omt");
     receiver_exe.linkLibC();
-    receiver_exe.step.dependOn(&copy_omt_h);
-    receiver_exe.step.dependOn(&copy_omt_so);
+    receiver_exe.step.dependOn(&copy_omt_h.step);
+    receiver_exe.step.dependOn(&copy_omt_so.step);
 
     b.installArtifact(sender_exe);
     b.installArtifact(receiver_exe);