diff --git a/mono-core.spec b/mono-core.spec
index a99a8b2ee0..cc1dd497e8 100644
--- a/mono-core.spec
+++ b/mono-core.spec
@@ -162,8 +162,8 @@ export PATH=/opt/novell/llvm-mono/bin:$PATH
   --disable-system-aot \
 %endif
   --with-ikvm=yes \
-  --with-moonlight=no
-
+  --with-moonlight=no \
+  --enable-dynamic-btls
 make
 
 %install