diff --git a/tests/opatIO/opatIOTest.cpp b/tests/opatIO/opatIOTest.cpp
index deec76b..9b51e27 100644
--- a/tests/opatIO/opatIOTest.cpp
+++ b/tests/opatIO/opatIOTest.cpp
@@ -6,7 +6,7 @@
 #include <set>
 #include <sstream>
 
-std::string EXAMPLE_FILENAME = std::string(getenv("MESON_SOURCE_ROOT")) + "/tests/opatIO/example.opat";
+std::string EXAMPLE_FILENAME = std::string(getenv("MESON_SOURCE_ROOT")) + "/tests/opatIO/test.opat";
 
 /**
  * @file opatIOTest.cpp
@@ -39,9 +39,9 @@ TEST_F(opatIOTest, Header) {
     EXPECT_EQ(header.numTables, 20);
     EXPECT_EQ(header.headerSize, 256);
     EXPECT_EQ(header.indexOffset, 416416);
-    EXPECT_EQ(std::string(header.creationDate), "Feb 14, 2025");
-    EXPECT_EQ(std::string(header.sourceInfo), "MESA 12700, Synthetic Opacity Data");
-    EXPECT_EQ(std::string(header.comment), "log10 kappa (cm^2/g)");
+    EXPECT_EQ(std::string(header.creationDate), "Feb 16, 2025");
+    EXPECT_EQ(std::string(header.sourceInfo), "no source provided by user");
+    EXPECT_EQ(std::string(header.comment), "default header");
 }
 
 TEST_F(opatIOTest, TableIndex) {
diff --git a/tests/opatIO/example.opat b/tests/opatIO/test.opat
old mode 100755
new mode 100644
similarity index 99%
rename from tests/opatIO/example.opat
rename to tests/opatIO/test.opat
index 9d5384f..f321eff
Binary files a/tests/opatIO/example.opat and b/tests/opatIO/test.opat differ