diff --git a/src/runtime/kwalletd/CMakeLists.txt b/src/runtime/kwalletd/CMakeLists.txt
--- a/src/runtime/kwalletd/CMakeLists.txt
+++ b/src/runtime/kwalletd/CMakeLists.txt
@@ -89,13 +89,15 @@
     configure_file(org.kde.kwalletd5.service.win.in
                    ${CMAKE_CURRENT_BINARY_DIR}/org.kde.kwalletd5.service)
 else()
+    configure_file(org.kde.kwalletd.service.in
+                   ${CMAKE_CURRENT_BINARY_DIR}/org.kde.kwalletd.service)
     configure_file(org.kde.kwalletd5.service.in
                    ${CMAKE_CURRENT_BINARY_DIR}/org.kde.kwalletd5.service)
 endif()
 
-install(FILES ${CMAKE_CURRENT_BINARY_DIR}/org.kde.kwalletd5.service
-        DESTINATION ${DBUS_SERVICES_INSTALL_DIR})
-install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/org.kde.kwalletd.service
+install(FILES
+        ${CMAKE_CURRENT_BINARY_DIR}/org.kde.kwalletd.service
+        ${CMAKE_CURRENT_BINARY_DIR}/org.kde.kwalletd5.service
         DESTINATION ${DBUS_SERVICES_INSTALL_DIR})
 
 add_executable( kwalletd5 ${kwalletd_SRCS} )
diff --git a/src/runtime/kwalletd/org.kde.kwalletd.service b/src/runtime/kwalletd/org.kde.kwalletd.service
deleted file mode 100644
--- a/src/runtime/kwalletd/org.kde.kwalletd.service
+++ /dev/null
@@ -1,6 +0,0 @@
-# this installs an activatable service for the legacy, KDE4, kwalletd
-# NOTE this file assumes the kwalletd daemon is installed in the usual /usr/bin directory
-# that is because we have no means here, in KF5, to know about the KDE4 prefix
-[D-BUS Service]
-Name=org.kde.kwalletd
-Exec=/usr/bin/kwalletd
diff --git a/src/runtime/kwalletd/org.kde.kwalletd.service.in b/src/runtime/kwalletd/org.kde.kwalletd.service.in
new file mode 100644
--- /dev/null
+++ b/src/runtime/kwalletd/org.kde.kwalletd.service.in
@@ -0,0 +1,5 @@
+# this installs an activatable service for the legacy, KDE4 interface
+# kwalletd5 does implement that interface too
+[D-BUS Service]
+Name=org.kde.kwalletd
+Exec=@KDE_INSTALL_FULL_BINDIR@/kwalletd5