diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7e9b5e0c8e..6dc2f52b4c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -646,7 +646,7 @@ if (HAVE_LIBCAP)
             COMMAND
                 ${SETCAP_EXECUTABLE}
                 CAP_SYS_NICE=+ep
-                ${CMAKE_INSTALL_FULL_BINDIR}/kwin_wayland)"
+                $ENV{DESTDIR}${CMAKE_INSTALL_FULL_BINDIR}/kwin_wayland)"
     )
 endif()