1 files changed, 1 insertions, 1 deletions
diff --git a/pref.h b/pref.h
index 7eb3f566c..811ca3366 100644
--- a/pref.h
+++ b/pref.h
@@ -23,7 +23,7 @@ struct preferences {
 	double font_size;
 	partial_pressure_graphs_t pp_graphs;
 	short mod;
-	double modppO2;
+	double modpO2;
 	short ead;
 	short dcceiling;
 	short redceiling;