diff --git a/build.zig b/build.zig
index 12cf970..aab561e 100644
--- a/build.zig
+++ b/build.zig
@@ -9,11 +9,9 @@ pub fn build(b: *std.Build) void {
     });
 
     const tests = b.addTest(.{
-        .root_module = b.createModule(.{
-            .root_source_file = b.path("test/tests.zig"),
-            .target = target,
-            .optimize = optimize,
-        }),
+        .root_source_file = b.path("test/tests.zig"),
+        .target = target,
+        .optimize = optimize,
     });
     tests.root_module.addImport("cbor", cbor_mod);
 
diff --git a/test/tests.zig b/test/tests.zig
index 6b0f307..1d27410 100644
--- a/test/tests.zig
+++ b/test/tests.zig
@@ -4,7 +4,6 @@ const cbor_mod = @import("cbor");
 const expect = std.testing.expect;
 const expectEqual = std.testing.expectEqual;
 const expectEqualDeep = std.testing.expectEqualDeep;
-const expectEqualStrings = std.testing.expectEqualStrings;
 const expectError = std.testing.expectError;
 
 const fmt = cbor_mod.fmt;
@@ -520,5 +519,5 @@ test "cbor.extract_cbor f64" {
     const json2 = try toJsonAlloc(std.testing.allocator, sub);
     defer std.testing.allocator.free(json2);
 
-    try expectEqualStrings("[0.9689138531684875]", json2);
+    try expectEqualDeep("[9.689138531684875e-1]", json2);
 }