diff --git a/cmake/sdlchecks.cmake b/cmake/sdlchecks.cmake
index 99d9251395..8c837c49ad 100644
--- a/cmake/sdlchecks.cmake
+++ b/cmake/sdlchecks.cmake
@@ -751,7 +751,9 @@ macro(CheckWayland)
             sdl_link_dependency(libdecor INCLUDES $<TARGET_PROPERTY:PkgConfig::PC_LIBDECOR,INTERFACE_INCLUDE_DIRECTORIES>)
           else()
             sdl_link_dependency(libdecor LIBS PkgConfig::PC_LIBDECOR PKG_CONFIG_PREFIX PC_LIBDECOR PKG_CONFIG_SPECS ${LibDecor_PKG_CONFIG_SPEC})
-            endif()
+          endif()
+        else()
+          message(WARNING "Unable to find the libdecor development library (required for window decorations on GNOME and Weston)")
         endif()
       endif()