diff --git a/ports/common/subports b/ports/common/subports
index d5f9292..486c7a2 100755
--- a/ports/common/subports
+++ b/ports/common/subports
@@ -5,7 +5,7 @@
 
 case $(uname -s) in
 Linux)	echo "linux";;
-*)	echo >&2 "Unknown result from uname -s: %(uname -s). Aborting."
+*)	echo >&2 "Unknown result from uname -s: $(uname -s). Aborting."
 	exit 1
 	;;
 esac