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-rw-r--r--src/cmd/devdraw/mkwsysrules.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmd/devdraw/mkwsysrules.sh b/src/cmd/devdraw/mkwsysrules.sh
index 56dff55a..f41d173e 100644
--- a/src/cmd/devdraw/mkwsysrules.sh
+++ b/src/cmd/devdraw/mkwsysrules.sh
@@ -24,7 +24,7 @@ fi
if [ "x$WSYSTYPE" = "x" ]; then
if [ "x`uname`" = "xDarwin" ]; then
- if sw_vers | egrep 'ProductVersion: (10\.[0-9]\.|10\.1[012])$' >/dev/null; then
+ if sw_vers | $egrep 'ProductVersion: (10\.[0-9]\.|10\.1[012])$' >/dev/null; then
echo 1>&2 'OS X 10.12 and older are not supported'
exit 1
fi