diff --git a/cmake/QtModuleHelpers.cmake b/cmake/QtModuleHelpers.cmake
index 7f9b58dbba1..d4c368e36b3 100644
--- a/cmake/QtModuleHelpers.cmake
+++ b/cmake/QtModuleHelpers.cmake
@@ -1034,12 +1034,15 @@ function(qt_internal_write_basic_module_package target target_private)
         endif()
     endif()
 
-    if(arg_IS_STATIC_LIB AND NOT arg_PRIVATE AND CMAKE_VERSION VERSION_LESS "3.26")
-        # We auto-load the private module package from the public module package if we have a static
-        # Qt module and CMake's version is < 3.26. This is needed for the case "Qt6Foo links against
-        # Qt6BarPrivate", because CMake generates a check for the target Qt6::BarPrivate in
-        # Qt6FooTargets.cmake. Once we can require CMake 3.26, we can simply link against
-        # $<BUILD_LOCAL_INTERFACE:Qt6BarPrivate> in qt_internal_extend_target.
+    if((QT_FEATURE_no_prefix OR arg_IS_STATIC_LIB)
+            AND NOT arg_PRIVATE
+            AND CMAKE_VERSION VERSION_LESS "3.26")
+        # We auto-load the private module package from the public module package if we have a
+        # statically built module or a non-prefix build and CMake's version is < 3.26. This is
+        # needed for the case "Qt6Foo links against Qt6BarPrivate", because CMake generates a check
+        # for the target Qt6::BarPrivate in Qt6FooTargets.cmake. Once we can require CMake 3.26, we
+        # can simply link against $<BUILD_LOCAL_INTERFACE:Qt6BarPrivate> in
+        # qt_internal_extend_target.
         #
         # For older CMake versions, we create an additional CMake file that's optionally included by
         # Qt6FooConfig.cmake to work around the lack of BUILD_LOCAL_INTERFACE.
diff --git a/configure.cmake b/configure.cmake
index 1b34b9c5812..5612fd94a71 100644
--- a/configure.cmake
+++ b/configure.cmake
@@ -1526,3 +1526,11 @@ qt_feature_definition("test_gui" "QT_GUI_TEST" VALUE "1")
 qt_feature("test_gui" PUBLIC
     LABEL "Build QtGuiTest namespace"
 )
+
+qt_configure_add_report_entry(
+    TYPE WARNING
+    MESSAGE "Starting with Qt 6.10, a -no-prefix or -developer-build
+Qt build might not find all necessary Qt packages when using CMake < 3.26.
+Please use a newer CMake version."
+    CONDITION QT_FEATURE_no_prefix AND CMAKE_VERSION VERSION_LESS "3.26"
+)