diff --git a/simgear/scene/material/makeEffect.cxx b/simgear/scene/material/makeEffect.cxx
index cfbb87af..35591c51 100644
--- a/simgear/scene/material/makeEffect.cxx
+++ b/simgear/scene/material/makeEffect.cxx
@@ -33,6 +33,7 @@
 #include <simgear/debug/logstream.hxx>
 #include <simgear/scene/util/SGReaderWriterOptions.hxx>
 #include <simgear/props/props_io.hxx>
+#include <simgear/scene/tgdb/userdata.hxx>
 #include <simgear/scene/util/SGSceneFeatures.hxx>
 #include <simgear/scene/util/SplicingVisitor.hxx>
 #include <simgear/structure/SGExpression.hxx>
@@ -126,7 +127,12 @@ Effect* makeEffect(const string& name,
             itr->second.valid())
             return itr->second.get();
     }
-    string effectFileName(name);
+    string effectFileName;
+    // Use getPropertyRoot() because the SGReaderWriterOptions might not have a
+    // valid property tree
+    if (getPropertyRoot()->getBoolValue("/sim/version/compositor-support", false))
+        effectFileName += "Compositor/";
+    effectFileName += name;
     effectFileName += ".eff";
     string absFileName
         = SGModelLib::findDataFile(effectFileName, options);