diff --git a/fbw-a380x/src/systems/instruments/src/MFD/pages/FMS/F-PLN/MfdFmsFpln.tsx b/fbw-a380x/src/systems/instruments/src/MFD/pages/FMS/F-PLN/MfdFmsFpln.tsx
index a8045051611..6ce4f4e9642 100644
--- a/fbw-a380x/src/systems/instruments/src/MFD/pages/FMS/F-PLN/MfdFmsFpln.tsx
+++ b/fbw-a380x/src/systems/instruments/src/MFD/pages/FMS/F-PLN/MfdFmsFpln.tsx
@@ -32,6 +32,7 @@ import { FmgcFlightPhase } from '@shared/flightphase';
 import { Units, LegType, TurnDirection, AltitudeDescriptor } from '@flybywiresim/fbw-sdk';
 import { MfdFmsFplnVertRev } from 'instruments/src/MFD/pages/FMS/F-PLN/MfdFmsFplnVertRev';
 import { AltitudeConstraint, SpeedConstraint } from '@fmgc/flightplanning/data/constraint';
+import { ConditionalComponent } from '../../common/ConditionalComponent';
 
 interface MfdFmsFplnProps extends AbstractMfdPageProps {}
 
@@ -919,12 +920,19 @@ export class MfdFmsFpln extends FmsPage<MfdFmsFplnProps> {
             </div>
           </div>
           <div class="mfd-fms-fpln-footer">
-            <Button
-              label="INIT"
-              onClick={() =>
-                this.props.mfd.uiService.navigateTo(`fms/${this.props.mfd.uiService.activeUri.get().category}/init`)
+            <ConditionalComponent
+              condition={this.activeFlightPhase.map((phase) => phase === FmgcFlightPhase.Preflight)}
+              width={125}
+              componentIfTrue={
+                <Button
+                  label="INIT"
+                  onClick={() =>
+                    this.props.mfd.uiService.navigateTo(`fms/${this.props.mfd.uiService.activeUri.get().category}/init`)
+                  }
+                  buttonStyle="width: 125px;"
+                />
               }
-              buttonStyle="width: 125px;"
+              componentIfFalse={<></>}
             />
             <Button
               disabled={Subject.create(true)}
diff --git a/fbw-a380x/src/systems/instruments/src/MFD/pages/FMS/MfdFmsInit.tsx b/fbw-a380x/src/systems/instruments/src/MFD/pages/FMS/MfdFmsInit.tsx
index e2d657e3b63..e0e9fb70b77 100644
--- a/fbw-a380x/src/systems/instruments/src/MFD/pages/FMS/MfdFmsInit.tsx
+++ b/fbw-a380x/src/systems/instruments/src/MFD/pages/FMS/MfdFmsInit.tsx
@@ -110,9 +110,10 @@ export class MfdFmsInit extends FmsPage<MfdFmsInitProps> {
   );
 
   private departureButtonDisabled = MappedSubject.create(
-    ([toIcao, fromIcao]) => !toIcao || !fromIcao,
+    ([toIcao, fromIcao, phase]) => !toIcao || !fromIcao || phase !== FmgcFlightPhase.Preflight,
     this.fromIcao,
     this.toIcao,
+    this.activeFlightPhase,
   );
 
   public onAfterRender(node: VNode): void {