diff --git a/src/test/c/Georg/test_tictactoe.c b/src/test/c/Georg/test_tictactoe.c
index 7e40ecc..1842e5a 100644
--- a/src/test/c/Georg/test_tictactoe.c
+++ b/src/test/c/Georg/test_tictactoe.c
@@ -82,7 +82,7 @@ void test_createCommandlist(void){
     // act
     commands = createCommands();
 
-    size_t arraySize = sizeof(commands) / sizeof(commands[0]);
+    size_t arraySize = sizeof(*commands) / sizeof(commands[0]);
     for (size_t i = 0; i < arraySize; i++) {
         TEST_ASSERT_EQUAL_INT( 1, commands[i].fun() );
     }