diff --git a/cmake/QtAppHelpers.cmake b/cmake/QtAppHelpers.cmake
index 32614f492ff..e80f13cd173 100644
--- a/cmake/QtAppHelpers.cmake
+++ b/cmake/QtAppHelpers.cmake
@@ -75,7 +75,7 @@ function(qt_internal_get_title_case value out_var)
     endif()
     string(SUBSTRING "${value}" 0 1 first_char)
     string(TOUPPER "${first_char}" first_char_upper)
-    string(SUBSTRING "${target}" 1 -1 rest_of_value)
+    string(SUBSTRING "${value}" 1 -1 rest_of_value)
     set(title_value "${first_char_upper}${rest_of_value}")
     set(${out_var} "${title_value}" PARENT_SCOPE)
 endfunction()