diff --git a/src/env.bash b/src/env.bash
index 50bc4adad6..3ae4f256de 100644
--- a/src/env.bash
+++ b/src/env.bash
@@ -96,7 +96,7 @@ set +o noclobber
 
 # Tried to use . <($MAKE ...) here, but it cannot set environment
 # variables in the version of bash that ships with OS X.  Amazing.
-eval $($MAKE --no-print-directory -f Make.inc go-env | egrep 'GOARCH|GOOS|GOHOSTARCH|GOHOSTOS|GO_ENV')
+eval $($MAKE --no-print-directory -f Make.inc go-env | egrep 'GOARCH|GOOS|GOHOSTARCH|GOHOSTOS|GO_ENV|CGO_ENABLED')
 
 # Shell doesn't tell us whether make succeeded,
 # so Make.inc generates a fake variable name.