1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index ffdc43c..ee488b4 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ all: graph.png
 	pkill -SIGUSR1 -f 'feh (.* )*graph\.png( .*)*' || true
 
 %.in: %.dot
-	sed "$(shell sed 's/^#DEFINE \(\S\+\) \(.*\)$$/s@\1@\2@g/; t; d' "$<")" "$<" > "$@"
+	sed "$(shell sed 's/^#DEFINE \(\S\+\) \(.*\)$$/s@\\b\1\\b@\2@g;/; t; d' "$<")" "$<" > "$@"
 
 %.png: %.in
 	dot -Tpng -o$@ $<