diff --git a/core/load-git.cpp b/core/load-git.cpp
index f1ec41528..3d406b7c0 100644
--- a/core/load-git.cpp
+++ b/core/load-git.cpp
@@ -585,7 +585,7 @@ static void parse_sample_keyvalue(void *_sample, const char *key, const std::str
 		sample->o2sensor[5] = get_o2pressure(value.c_str());
 		return;
 	}
-	if (!strcmp(key, "sensor7")) {
+	if (!strcmp(key, "dc_supplied_ppo2")) {
 		sample->o2sensor[6] = get_o2pressure(value.c_str());
 		return;
 	}
diff --git a/core/parse-xml.cpp b/core/parse-xml.cpp
index 933247cfb..acbf630c2 100644
--- a/core/parse-xml.cpp
+++ b/core/parse-xml.cpp
@@ -931,7 +931,7 @@ static void try_to_fill_sample(struct sample *sample, const char *name, char *bu
 		return;
 	if (MATCH("sensor6.sample", double_to_o2pressure, &sample->o2sensor[5])) // up to 6 CCR sensors
 		return;
-	if (MATCH("sensor7.sample", double_to_o2pressure, &sample->o2sensor[6])) // the dive computer calculated ppO2
+	if (MATCH("dc_supplied_ppo2.sample", double_to_o2pressure, &sample->o2sensor[6])) // the dive computer calculated ppO2
 		return;
 	if (MATCH("po2.sample", double_to_o2pressure, &sample->setpoint))
 		return;
diff --git a/core/save-git.cpp b/core/save-git.cpp
index bc78445d5..7fa9c4125 100644
--- a/core/save-git.cpp
+++ b/core/save-git.cpp
@@ -343,7 +343,7 @@ static void save_sample(struct membuffer *b, const struct sample &sample, struct
 	}
 
 	if ((sample.o2sensor[6].mbar) && (sample.o2sensor[6].mbar != old.o2sensor[6].mbar)) {
-		put_milli(b, " sensor7=", sample.o2sensor[6].mbar, "bar");
+		put_milli(b, " dc_supplied_ppo2=", sample.o2sensor[6].mbar, "bar");
 		old.o2sensor[6] = sample.o2sensor[6];
 	}
 
diff --git a/core/save-xml.cpp b/core/save-xml.cpp
index 1a3c76545..e6df88197 100644
--- a/core/save-xml.cpp
+++ b/core/save-xml.cpp
@@ -328,7 +328,7 @@ static void save_sample(struct membuffer *b, const struct sample &sample, struct
 	}
 
 	if ((sample.o2sensor[6].mbar) && (sample.o2sensor[6].mbar != old.o2sensor[6].mbar)) {
-		put_milli(b, " sensor7='", sample.o2sensor[6].mbar, " bar'");
+		put_milli(b, " dc_supplied_ppo2='", sample.o2sensor[6].mbar, " bar'");
 		old.o2sensor[6] = sample.o2sensor[6];
 	}