diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1f8eb1217..ac57471fd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -414,11 +414,11 @@ set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_BINARY_DIR}/LICENSE.txt")
 set(CPACK_PACKAGE_EXECUTABLES "Icinga2SetupAgent;Icinga 2 Agent Wizard")
 set(CPACK_WIX_PRODUCT_ICON "${CMAKE_CURRENT_SOURCE_DIR}/icinga-app\\\\icinga.ico")
 set(CPACK_WIX_UPGRADE_GUID "52F2BEAA-4DF0-4C3E-ABDC-C0F61DE4DF8A")
-set(CPACK_WIX_EXTENSIONS "WixUtilExtension")
 set(CPACK_WIX_UI_BANNER "${CMAKE_CURRENT_SOURCE_DIR}/icinga-installer/bannrbmp.bmp")
 set(CPACK_WIX_UI_DIALOG "${CMAKE_CURRENT_SOURCE_DIR}/icinga-installer/dlgbmp.bmp")
 set(CPACK_WIX_PATCH_FILE "${CMAKE_CURRENT_BINARY_DIR}/icinga-installer/icinga2.wixpatch.Debug")
 set(CPACK_WIX_PATCH_FILE "${CMAKE_CURRENT_BINARY_DIR}/icinga-installer/icinga2.wixpatch")
+set(CPACK_WIX_EXTENSIONS "WixUtilExtension" "WixNetFxExtension")
 
 set(CMAKE_INSTALL_SYSTEM_RUNTIME_DESTINATION "sbin")
 set(CMAKE_INSTALL_UCRT_LIBRARIES TRUE)
diff --git a/icinga-installer/icinga2.wixpatch.cmake b/icinga-installer/icinga2.wixpatch.cmake
index 4232be01e..5ee6361ae 100644
--- a/icinga-installer/icinga2.wixpatch.cmake
+++ b/icinga-installer/icinga2.wixpatch.cmake
@@ -3,6 +3,11 @@
     <Property Id="ALLUSERS">1</Property>
     <Property Id="MSIRESTARTMANAGERCONTROL">Disable</Property>
 
+    <PropertyRef Id="WIX_IS_NETFRAMEWORK_46_OR_LATER_INSTALLED" />
+    <Condition Message='This application requires .NET Framework 4.6 or higher. Please install the .NET Framework then run this installer again.'>
+      <![CDATA[Installed OR WIX_IS_NETFRAMEWORK_46_OR_LATER_INSTALLED]]>
+    </Condition>
+
     <CustomAction Id="XtraUpgradeNSIS" BinaryKey="icinga2_installer" ExeCommand="upgrade-nsis" Execute="deferred" Impersonate="no" />
     <CustomAction Id="XtraInstall" FileKey="CM_FP_sbin.icinga2_installer.exe" ExeCommand="install" Execute="deferred" Impersonate="no" />
     <CustomAction Id="XtraUninstall" FileKey="CM_FP_sbin.icinga2_installer.exe" ExeCommand="uninstall" Execute="deferred" Impersonate="no" />