diff --git a/Aircraft/Generic/flightrecorder/components/engine-jet.xml b/Aircraft/Generic/flightrecorder/components/engine-jet.xml
index 09611bec9..b3569125b 100644
--- a/Aircraft/Generic/flightrecorder/components/engine-jet.xml
+++ b/Aircraft/Generic/flightrecorder/components/engine-jet.xml
@@ -51,7 +51,7 @@
     </signal>
 
     <signal>
-        <type>float</type><property type="string">/engines/engine[%i]/thrust-lbs</property>
+        <type>float</type><property type="string">/engines/engine[%i]/thrust_lb</property>
     </signal>
 
     <signal>
diff --git a/Aircraft/Generic/flightrecorder/components/engine-turboprop.xml b/Aircraft/Generic/flightrecorder/components/engine-turboprop.xml
index 8e99246b8..f878e3bc5 100644
--- a/Aircraft/Generic/flightrecorder/components/engine-turboprop.xml
+++ b/Aircraft/Generic/flightrecorder/components/engine-turboprop.xml
@@ -111,7 +111,7 @@
     </signal>
 
     <signal>
-        <type>float</type><property type="string">/engines/engine[%i]/thrust-lbs</property>
+        <type>float</type><property type="string">/engines/engine[%i]/thrust_lb</property>
     </signal>
 
     <signal>