diff --git a/tests/test_lua_createsinglecolorimage.cpp b/tests/test_lua_createsinglecolorimage.cpp
index 8c6f8120e6..dbe0e3ca08 100644
--- a/tests/test_lua_createsinglecolorimage.cpp
+++ b/tests/test_lua_createsinglecolorimage.cpp
@@ -60,7 +60,9 @@ TEST_CASE("CreateSingleColorImage: Faulty 1st input type", "[createsinglecolorim
 
     CHECK_THROWS_WITH(
         openspace::luascriptfunctions::createSingleColorImage(L),
-        Catch::Matchers::Contains("parameter 1 was not the expected type")
+        Catch::Matchers::Contains(
+            "Expected type 'String' for parameter 1 but got wrong type 'Table'"
+        )
     );
 }
 
@@ -71,7 +73,9 @@ TEST_CASE("CreateSingleColorImage: Faulty 2nd input type", "[createsinglecolorim
 
     CHECK_THROWS_WITH(
         openspace::luascriptfunctions::createSingleColorImage(L),
-        Catch::Matchers::Contains("parameter 2 was not the expected type")
+        Catch::Matchers::Contains(
+            "Expected type 'Table' for parameter 2 but got wrong type 'String'"
+        )
     );
 }