1 files changed, 1 insertions, 0 deletions
diff --git a/display.h b/display.h
index 5af5c5612..65820f075 100644
--- a/display.h
+++ b/display.h
@@ -21,6 +21,7 @@ struct plot_info {
 	int minpressure, maxpressure;
 	int minhr, maxhr;
 	int mintemp, maxtemp;
+	enum {AIR, NITROX, TRIMIX} dive_type;
 	double endtempcoord;
 	double maxpp;
 	bool has_ndl;