diff --git a/CMakeLists.txt b/CMakeLists.txt
index 55cf5c5c2..81652d3ef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -81,7 +81,7 @@ if (KF5_OPTIONAL_COMPONENTS)
 endif()
 
 if (NOT ZSH_AUTOCOMPLETE_DIR)
-set(ZSH_AUTOCOMPLETE_DIR "${CMAKE_INSTALL_PREFIX}/share/zsh/site-functions")
+set(ZSH_AUTOCOMPLETE_DIR "${KDE_INSTALL_DATADIR}/share/zsh/site-functions")
 endif()
 
 option(PRIVATE_DBUS_ENABLED "Use private dbus session for kdeconnect" OFF)
diff --git a/data/CMakeLists.txt b/data/CMakeLists.txt
index 1a7c00a4f..3fe70974f 100644
--- a/data/CMakeLists.txt
+++ b/data/CMakeLists.txt
@@ -1,5 +1,5 @@
-install (FILES "kdeconnect.contract" DESTINATION ${CMAKE_INSTALL_PREFIX}/share/contractor/)
-install (FILES "kdeconnect-thunar.desktop" DESTINATION ${CMAKE_INSTALL_PREFIX}/share/Thunar/sendto/)
+install (FILES "kdeconnect.contract" DESTINATION ${KDE_INSTALL_DATADIR}/share/contractor/)
+install (FILES "kdeconnect-thunar.desktop" DESTINATION ${KDE_INSTALL_DATADIR}/share/Thunar/sendto/)
 install(PROGRAMS org.kde.kdeconnect_open.desktop DESTINATION ${XDG_APPS_INSTALL_DIR})
 
 if(NOT SAILFISHOS)