diff --git a/SleepLib/loader_plugins/resmed_loader.cpp b/SleepLib/loader_plugins/resmed_loader.cpp
index 5d05962f..723aac31 100644
--- a/SleepLib/loader_plugins/resmed_loader.cpp
+++ b/SleepLib/loader_plugins/resmed_loader.cpp
@@ -586,7 +586,7 @@ bool ResmedLoader::LoadPLD(Session *sess,EDFParser &edf)
             code=CPAP_FlowLimitGraph;
             ToTimeDelta(sess,edf,edf.edfsignals[s]->data, code,recs,duration,1.0);
         } else if (edf.edfsignals[s]->label=="Mask Pres") {
-            code=CPAP_MaskPressureExt;
+            code=CPAP_MaskPressureEvt;
             ToTimeDelta(sess,edf,edf.edfsignals[s]->data, code,recs,duration,50.0);
         } else if (edf.edfsignals[s]->label=="Exp Press") {
             code=CPAP_ExpPressure;