diff --git a/generate-stublib.sh b/generate-stublib.sh
index 4ca705f200956cfc390b6e7e7fc97184e8ebabd4..cd2adeaa6da8976b49ea08f8be5ed5e10ee9977d 100755
--- a/generate-stublib.sh
+++ b/generate-stublib.sh
@@ -137,7 +137,9 @@ cat - <<EOF
       };
 
     symbol_ns = LM_ID_NEWLM;
-    prefix = "/host";
+    prefix = secure_getenv( "CAPSULE_PREFIX" );
+    if( !prefix )
+        prefix = "/host";
 
     capsule_init();