diff --git a/Processes/StackInspector/CMakeLists.txt b/Processes/StackInspector/CMakeLists.txt
index 34a8f54858fe12e5bc849d1e8f9fa93834a7ec0c..ea36fbfa5d1090cab27239a393e63e2fdd4b2c0b 100644
--- a/Processes/StackInspector/CMakeLists.txt
+++ b/Processes/StackInspector/CMakeLists.txt
@@ -51,7 +51,7 @@ install (
 
 # --------------------
 # code unit testing
-CORSIKA_ADD_TEST(testStackInspector)
+CORSIKA_ADD_TEST (testStackInspector)
 target_link_libraries (
   testStackInspector
   ProcessStackInspector