diff --git a/cmake/modules/FindPoppler.cmake b/cmake/modules/FindPoppler.cmake
index ac580f368..35ac2bafa 100644
--- a/cmake/modules/FindPoppler.cmake
+++ b/cmake/modules/FindPoppler.cmake
@@ -53,8 +53,8 @@ check_cxx_source_compiles("
 
 int main()
 {
-  Poppler::Document *doc = Poppler::Document::load(QString());
-  doc->embeddedFiles().at(0)->checksum();
+  Poppler::SoundObject * so = 0;
+  (void)so;
 
   return 0;
 }