diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -391,7 +391,7 @@
 if (Qt5TextToSpeech_FOUND)
    target_link_libraries(okularpart Qt5::TextToSpeech)
 endif()
-install(TARGETS okularpart DESTINATION ${KDE_INSTALL_PLUGINDIR})
+install(TARGETS okularpart DESTINATION ${KDE_INSTALL_PLUGINDIR}/kf5/parts)
 
 
 ########### install files ###############
diff --git a/okular_part.desktop b/okular_part.desktop
--- a/okular_part.desktop
+++ b/okular_part.desktop
@@ -61,6 +61,6 @@
 Name[zh_CN]=Okular
 Name[zh_TW]=文件檢視_Okular
 X-KDE-ServiceTypes=KParts/ReadOnlyPart,KParts/ReadWritePart
-X-KDE-Library=okularpart
+X-KDE-Library=kf5/parts/okularpart
 Type=Service
 MimeType=application/vnd.kde.okular-archive;