1 files changed, 1 insertions, 0 deletions
diff --git a/common.mk b/common.mk
index e9a93b1dd3..573b64a662 100644
--- a/common.mk
+++ b/common.mk
@@ -13,6 +13,7 @@ ECHO = $(ECHO1:0=@echo)
 
 RUBYLIB       = -
 RUBYOPT       = -
+RUN_OPTS      = --disable-gems
 
 SPEC_GIT_BASE = git://github.com/rubyspec
 MSPEC_GIT_URL = $(SPEC_GIT_BASE)/mspec.git