diff --git a/sandbox.mk b/sandbox.mk
index f40f3efca..e6dad6700 100644
--- a/sandbox.mk
+++ b/sandbox.mk
@@ -60,7 +60,7 @@ rm -f $(SANDBOX)/etc/yum.repos.d/Cent*
 echo 'Rebuilding RPM DB'
 rpm --root=$(SANDBOX) --rebuilddb
 echo 'Installing packages for Sandbox'
-yum -c $(SANDBOX)/etc/yum.conf --installroot=$(SANDBOX) -y --exclude=ruby-2.1.1-1.1.x86_64 --nogpgcheck install $(SANDBOX_PACKAGES)
+yum -c $(SANDBOX)/etc/yum.conf --installroot=$(SANDBOX) -y --exclude=ruby-2.1.1 --nogpgcheck install $(SANDBOX_PACKAGES)
 mount | grep -q $(SANDBOX)/proc || sudo mount --bind /proc $(SANDBOX)/proc
 mount | grep -q $(SANDBOX)/dev || sudo mount --bind /dev $(SANDBOX)/dev
 endef