diff --git a/tests/examples/generalized_nonlinear_solver/definition.json b/tests/examples/generalized_nonlinear_solver/definition.json
index 9cc69329c8018734c2b21398fa6608b7573ee531..18f00953cea5d0b56937c094fd7e431c3d33eff7 100644
--- a/tests/examples/generalized_nonlinear_solver/definition.json
+++ b/tests/examples/generalized_nonlinear_solver/definition.json
@@ -1,11 +1,15 @@
 {
-	"executable": [
-		"examples",
-		"ae108-examples-GeneralizedNonlinearSolver"
-	],
-	"compare_stdout": "numeric",
-	"mpi_processes": [
-		1,
-		3
-	]
+  "executable": [
+    "examples",
+    "ae108-examples-GeneralizedNonlinearSolver"
+  ],
+  "args": [
+    "-ksp_type",
+    "fgmres"
+  ],
+  "compare_stdout": "numeric",
+  "mpi_processes": [
+    1,
+    3
+  ]
 }
\ No newline at end of file