diff --git a/devhelp.spec b/devhelp.spec
index 0c08c82..6cc4fd9 100644
--- a/devhelp.spec
+++ b/devhelp.spec
@@ -52,7 +52,7 @@ Library of Devhelp for embedding into other applications
 %setup -q -n devhelp-%{version}
 
 %build
-%configure --disable-static
+%configure --disable-static --with-gecko=libxul-embedding
 make %{?_smp_mflags}
 
 %install