diff --git a/cmake/QtBuildHelpers.cmake b/cmake/QtBuildHelpers.cmake
index 3f9f4c9e5a1..662b6be581c 100644
--- a/cmake/QtBuildHelpers.cmake
+++ b/cmake/QtBuildHelpers.cmake
@@ -361,7 +361,8 @@ endfunction()
 
 macro(qt_internal_setup_find_host_info_package)
     _qt_internal_determine_if_host_info_package_needed(__qt_build_requires_host_info_package)
-    _qt_internal_find_host_info_package("${__qt_build_requires_host_info_package}")
+    _qt_internal_find_host_info_package("${__qt_build_requires_host_info_package}"
+        ${INSTALL_CMAKE_NAMESPACE})
 endmacro()
 
 macro(qt_internal_setup_poor_mans_scope_finalizer)
@@ -489,4 +490,3 @@ macro(qt_internal_setup_build_and_global_variables)
 
     qt_internal_detect_dirty_features()
 endmacro()
-
diff --git a/cmake/QtConfigDependencies.cmake.in b/cmake/QtConfigDependencies.cmake.in
index eb08ec41fb7..e68e2954f9d 100644
--- a/cmake/QtConfigDependencies.cmake.in
+++ b/cmake/QtConfigDependencies.cmake.in
@@ -17,7 +17,8 @@ _qt_internal_setup_qt_host_path(
     "${__qt_platform_requires_host_info_package}"
     "${__qt_platform_initial_qt_host_path}"
     "${__qt_platform_initial_qt_host_path_cmake_dir}")
-_qt_internal_find_host_info_package(${__qt_platform_requires_host_info_package})
+_qt_internal_find_host_info_package(${__qt_platform_requires_host_info_package}
+    @INSTALL_CMAKE_NAMESPACE@)
 
 # note: _third_party_deps example: "ICU\\;FALSE\\;1.0\\;i18n uc data;ZLIB\\;FALSE\\;\\;"
 set(__qt_third_party_deps "@third_party_deps@")
diff --git a/cmake/QtPublicDependencyHelpers.cmake b/cmake/QtPublicDependencyHelpers.cmake
index 986f874627c..0fa9f3e9088 100644
--- a/cmake/QtPublicDependencyHelpers.cmake
+++ b/cmake/QtPublicDependencyHelpers.cmake
@@ -239,9 +239,9 @@ function(_qt_internal_determine_if_host_info_package_needed out_var)
     set(${out_var} "${needed}" PARENT_SCOPE)
 endfunction()
 
-macro(_qt_internal_find_host_info_package platform_requires_host_info)
+macro(_qt_internal_find_host_info_package platform_requires_host_info install_namespace)
     if(${platform_requires_host_info})
-        find_package(Qt6HostInfo
+        find_package(${install_namespace}HostInfo
                      CONFIG
                      REQUIRED
                      PATHS "${QT_HOST_PATH}"