diff --git a/BUK-M2/Nasal/damage.nas b/BUK-M2/Nasal/damage.nas
index 1151b6b..7b1f209 100644
--- a/BUK-M2/Nasal/damage.nas
+++ b/BUK-M2/Nasal/damage.nas
@@ -338,7 +338,7 @@ var maxDamageDistFromWarhead = func (lbs) {
 }
 
 var fail_systems = func (probability, factor = 100) {#this factor needs tuning after all asset hitpoints have been evaluated.
-    if (fleet) {
+    if (is_fleet) {
       return fail_fleet_systems(probability, factor);
     } elsif (use_hitpoints_instead_of_failure_modes_bool) {
       hp -= factor * probability*(0.75+rand()*0.25);# from 75 to 100% damage
diff --git a/Frigate/Nasal/damage.nas b/Frigate/Nasal/damage.nas
index 94a2011..1097377 100644
--- a/Frigate/Nasal/damage.nas
+++ b/Frigate/Nasal/damage.nas
@@ -338,7 +338,7 @@ var maxDamageDistFromWarhead = func (lbs) {
 }
 
 var fail_systems = func (probability, factor = 100) {#this factor needs tuning after all asset hitpoints have been evaluated.
-    if (fleet) {
+    if (is_fleet) {
       return fail_fleet_systems(probability, factor);
     } elsif (use_hitpoints_instead_of_failure_modes_bool) {
       hp -= factor * probability*(0.75+rand()*0.25);# from 75 to 100% damage
diff --git a/depot/Nasal/damage.nas b/depot/Nasal/damage.nas
index 7560f8d..30ac000 100644
--- a/depot/Nasal/damage.nas
+++ b/depot/Nasal/damage.nas
@@ -338,7 +338,7 @@ var maxDamageDistFromWarhead = func (lbs) {
 }
 
 var fail_systems = func (probability, factor = 100) {#this factor needs tuning after all asset hitpoints have been evaluated.
-    if (fleet) {
+    if (is_fleet) {
       return fail_fleet_systems(probability, factor);
     } elsif (use_hitpoints_instead_of_failure_modes_bool) {
       hp -= factor * probability*(0.75+rand()*0.25);# from 75 to 100% damage
diff --git a/fleet/Nasal/damage.nas b/fleet/Nasal/damage.nas
index 2fd0d6b..222f1ca 100644
--- a/fleet/Nasal/damage.nas
+++ b/fleet/Nasal/damage.nas
@@ -338,7 +338,7 @@ var maxDamageDistFromWarhead = func (lbs) {
 }
 
 var fail_systems = func (probability, factor = 100) {#this factor needs tuning after all asset hitpoints have been evaluated.
-    if (fleet) {
+    if (is_fleet) {
       return fail_fleet_systems(probability, factor);
     } elsif (use_hitpoints_instead_of_failure_modes_bool) {
       hp -= factor * probability*(0.75+rand()*0.25);# from 75 to 100% damage
diff --git a/gci-radar/Nasal/damage.nas b/gci-radar/Nasal/damage.nas
index eb3714b..5c67ca8 100644
--- a/gci-radar/Nasal/damage.nas
+++ b/gci-radar/Nasal/damage.nas
@@ -338,7 +338,7 @@ var maxDamageDistFromWarhead = func (lbs) {
 }
 
 var fail_systems = func (probability, factor = 100) {#this factor needs tuning after all asset hitpoints have been evaluated.
-    if (fleet) {
+    if (is_fleet) {
       return fail_fleet_systems(probability, factor);
     } elsif (use_hitpoints_instead_of_failure_modes_bool) {
       hp -= factor * probability*(0.75+rand()*0.25);# from 75 to 100% damage
diff --git a/groundtarget/Nasal/damage.nas b/groundtarget/Nasal/damage.nas
index d91e582..49fb459 100644
--- a/groundtarget/Nasal/damage.nas
+++ b/groundtarget/Nasal/damage.nas
@@ -338,7 +338,7 @@ var maxDamageDistFromWarhead = func (lbs) {
 }
 
 var fail_systems = func (probability, factor = 100) {#this factor needs tuning after all asset hitpoints have been evaluated.
-    if (fleet) {
+    if (is_fleet) {
       return fail_fleet_systems(probability, factor);
     } elsif (use_hitpoints_instead_of_failure_modes_bool) {
       hp -= factor * probability*(0.75+rand()*0.25);# from 75 to 100% damage
diff --git a/missile-frigate/Nasal/damage.nas b/missile-frigate/Nasal/damage.nas
index 124b433..ced5135 100644
--- a/missile-frigate/Nasal/damage.nas
+++ b/missile-frigate/Nasal/damage.nas
@@ -338,7 +338,7 @@ var maxDamageDistFromWarhead = func (lbs) {
 }
 
 var fail_systems = func (probability, factor = 100) {#this factor needs tuning after all asset hitpoints have been evaluated.
-    if (fleet) {
+    if (is_fleet) {
       return fail_fleet_systems(probability, factor);
     } elsif (use_hitpoints_instead_of_failure_modes_bool) {
       hp -= factor * probability*(0.75+rand()*0.25);# from 75 to 100% damage