diff --git a/src/actions/actions.ts b/src/actions/actions.ts
index 2ec8ae52d79..29760558699 100644
--- a/src/actions/actions.ts
+++ b/src/actions/actions.ts
@@ -6650,7 +6650,10 @@ abstract class BaseEasyMotionCommand extends BaseCommand {
         continue;
       }
 
-      vimState.easyMotion.addMarker(EasyMotion.generateMarker(index++, matches.length, position, pos));
+      let marker = EasyMotion.generateMarker(index++, matches.length, position, pos);
+      if (marker) {
+        vimState.easyMotion.addMarker(marker);
+      }
     }
   }
 
diff --git a/src/easymotion/easymotion.ts b/src/easymotion/easymotion.ts
index 515c46d512e..f8cddc76714 100644
--- a/src/easymotion/easymotion.ts
+++ b/src/easymotion/easymotion.ts
@@ -56,7 +56,7 @@ export class EasyMotion {
   /**
    * Generate a marker following a sequence for the name and depth levels
    */
-  public static generateMarker(index: number, length: number, position: Position, markerPosition: Position): EasyMotion.Marker {
+  public static generateMarker(index: number, length: number, position: Position, markerPosition: Position): EasyMotion.Marker | null {
     let keyTable = EasyMotion.keyTable;
     var availableKeyTable = keyTable.slice();
 
@@ -68,7 +68,7 @@ export class EasyMotion {
       var totalRemainder = Math.max(length - keyTable.length, 0);
       totalSteps = Math.floor(totalRemainder / keyTable.length);
 
-      for (var i = 0; i < totalSteps; i++) {
+      for (var i = 0; i < Math.min(totalSteps, 26); i++) {
         keyDepthTable.push(availableKeyTable.pop()!);
       }
     }
@@ -89,6 +89,10 @@ export class EasyMotion {
       var steps = Math.floor((inverted) / availableKeyTable.length);
 
       // Add the key to the prefix
+      if (steps > keyDepthTable.length - 1) {
+        return null;
+      }
+
       prefix += keyDepthTable[steps];
 
       // Check if we're on the last depth level