diff --git a/readLib/source/testData.cc b/readLib/source/testData.cc
index 1d0831b553daa4a28fa71a25539865bd7f5b6530..0ab54ff4480e29d25789bae58d08331fff281d32 100644
--- a/readLib/source/testData.cc
+++ b/readLib/source/testData.cc
@@ -149,7 +149,7 @@ TEST_CASE("Data", "[data]") {
   }
 
   SECTION("fortran") {
-    CHECK_THROWS(cordataopenfile_(""), 0);
+    CHECK_THROWS(cordataopenfile_("", 0));
     double a[1];
     const int length = 1;
     CHECK_THROWS(cordatafillarray_(a, length));