diff --git a/Nasal/MCDU1/INITA.nas b/Nasal/MCDU1/INITA.nas
index 488a4b27..6413d6e2 100644
--- a/Nasal/MCDU1/INITA.nas
+++ b/Nasal/MCDU1/INITA.nas
@@ -42,7 +42,7 @@ var initInputA = func(key) {
 					}
 					setprop("/MCDU[0]/scratchpad-msg", "1");
 					setprop("/MCDU[0]/scratchpad", "NOT ALLOWED");
-				} else if (ci >= 0 and ci <= 999) {
+				} else if (ci >= 0 and ci <= 120) {
 					setprop("/FMGC/internal/cost-index", ci);
 					setprop("/FMGC/internal/cost-index-set", 1);
 					setprop("/MCDU[0]/scratchpad", "");
diff --git a/Nasal/MCDU1/PERFCLB.nas b/Nasal/MCDU1/PERFCLB.nas
index 4d0f9985..e355a55a 100644
--- a/Nasal/MCDU1/PERFCLB.nas
+++ b/Nasal/MCDU1/PERFCLB.nas
@@ -22,7 +22,7 @@ var perfCLBInput = func(key) {
 					}
 					setprop("/MCDU[0]/scratchpad-msg", "1");
 					setprop("/MCDU[0]/scratchpad", "NOT ALLOWED");
-				} else if (ci >= 0 and ci <= 999) {
+				} else if (ci >= 0 and ci <= 120) {
 					setprop("/FMGC/internal/cost-index", ci);
 					setprop("/FMGC/internal/cost-index-set", 1);
 					setprop("/MCDU[0]/scratchpad", "");
diff --git a/Nasal/MCDU2/INITA.nas b/Nasal/MCDU2/INITA.nas
index 3c546451..93c4eba9 100644
--- a/Nasal/MCDU2/INITA.nas
+++ b/Nasal/MCDU2/INITA.nas
@@ -42,7 +42,7 @@ var initInputA = func(key) {
 					}
 					setprop("/MCDU[1]/scratchpad-msg", "1");
 					setprop("/MCDU[1]/scratchpad", "NOT ALLOWED");
-				} else if (ci >= 0 and ci <= 999) {
+				} else if (ci >= 0 and ci <= 120) {
 					setprop("/FMGC/internal/cost-index", ci);
 					setprop("/FMGC/internal/cost-index-set", 1);
 					setprop("/MCDU[1]/scratchpad", "");
diff --git a/Nasal/MCDU2/PERFCLB.nas b/Nasal/MCDU2/PERFCLB.nas
index 1a4c8c46..96ec78df 100644
--- a/Nasal/MCDU2/PERFCLB.nas
+++ b/Nasal/MCDU2/PERFCLB.nas
@@ -22,7 +22,7 @@ var perfCLBInput = func(key) {
 					}
 					setprop("/MCDU[1]/scratchpad-msg", "1");
 					setprop("/MCDU[1]/scratchpad", "NOT ALLOWED");
-				} else if (ci >= 0 and ci <= 999) {
+				} else if (ci >= 0 and ci <= 120) {
 					setprop("/FMGC/internal/cost-index", ci);
 					setprop("/FMGC/internal/cost-index-set", 1);
 					setprop("/MCDU[1]/scratchpad", "");
diff --git a/revision.txt b/revision.txt
index ae43bea8..24db3756 100644
--- a/revision.txt
+++ b/revision.txt
@@ -1 +1 @@
-4322
\ No newline at end of file
+4323
\ No newline at end of file