diff --git a/packages/protocol/contracts-0.8/common/ScoreManager.sol b/packages/protocol/contracts-0.8/common/ScoreManager.sol
index 1f4e695a21b..58b07e6292f 100644
--- a/packages/protocol/contracts-0.8/common/ScoreManager.sol
+++ b/packages/protocol/contracts-0.8/common/ScoreManager.sol
@@ -68,10 +68,7 @@ contract ScoreManager is
    * @dev Set value to `ZERO_SCORE` to set score to zero.
    */
   function setGroupScore(address group, uint256 score) external onlyAuthorizedToUpdateScore {
-    require(score > 0, "Score must be greater than ZERO.");
-    require(score <= ZERO_SCORE, "Score must be less than or equal to 1e24 or ZERO_SCORE.");
-    groupScores[group] = score;
-
+    groupScores[group] = checkScore(score);
     emit GroupScoreSet(group, score);
   }
 
@@ -85,10 +82,7 @@ contract ScoreManager is
     address validator,
     uint256 score
   ) external onlyAuthorizedToUpdateScore {
-    require(score > 0, "Score must be greater than ZERO.");
-    require(score <= ZERO_SCORE, "Score must be less than or equal to 1e24 or ZERO_SCORE.");
-    validatorScores[validator] = score;
-
+    validatorScores[validator] = checkScore(score);
     emit ValidatorScoreSet(validator, score);
   }
 
@@ -150,4 +144,13 @@ contract ScoreManager is
     }
     return score;
   }
+
+  function checkScore(uint256 score) internal pure returns (uint256) {
+    if (score == 0) {
+      return ZERO_SCORE;
+    }
+
+    require(score <= FIXED1_UINT, "Score must be less than or equal to 1e24.");
+    return score;
+  }
 }
diff --git a/packages/protocol/test-sol/unit/common/ScoreManager.t.sol b/packages/protocol/test-sol/unit/common/ScoreManager.t.sol
index 4bac827aa63..eccba616e3b 100644
--- a/packages/protocol/test-sol/unit/common/ScoreManager.t.sol
+++ b/packages/protocol/test-sol/unit/common/ScoreManager.t.sol
@@ -61,8 +61,8 @@ contract ScoreManagerTest_setGroupScore is ScoreManagerTest {
   }
 
   function test_Reverts_WhenSetToMoreThan1e24Plus1() public {
-    vm.expectRevert("Score must be less than or equal to 1e24 or ZERO_SCORE.");
-    scoreManager.setGroupScore(owner, 1e24 + 2);
+    vm.expectRevert("Score must be less than or equal to 1e24.");
+    scoreManager.setGroupScore(owner, 1e24 + 1);
   }
 
   function test_Returns1FixidityWhenGroupScoreDoesNotExist() public {
@@ -70,13 +70,8 @@ contract ScoreManagerTest_setGroupScore is ScoreManagerTest {
   }
 
   function test_Returns0WhenGroupScoreIsZERO_SCORE() public {
-    scoreManager.setGroupScore(owner, ZERO_SCORE);
-    assert(scoreManager.getGroupScore(owner) == 0);
-  }
-
-  function test_Reverts_WhenSettingScoreToZero() public {
-    vm.expectRevert("Score must be greater than ZERO.");
     scoreManager.setGroupScore(owner, 0);
+    assert(scoreManager.getGroupScore(owner) == 0);
   }
 
   function test_EmitsGroupScoreSet() public {
@@ -107,20 +102,15 @@ contract ScoreManagerTest_setValidatorScore is ScoreManagerTest {
   }
 
   function test_Reverts_WhenSetToMoreThan1e24() public {
-    vm.expectRevert("Score must be less than or equal to 1e24 or ZERO_SCORE.");
-    scoreManager.setValidatorScore(owner, 1e24 + 2);
+    vm.expectRevert("Score must be less than or equal to 1e24.");
+    scoreManager.setValidatorScore(owner, 1e24 + 1);
   }
 
   function test_Returns0WhenValidatorScoreIsZero() public {
-    scoreManager.setValidatorScore(owner, ZERO_SCORE);
+    scoreManager.setValidatorScore(owner, 0);
     assert(scoreManager.getValidatorScore(owner) == 0);
   }
 
-  function test_Reverts_WhenSettingScoreToZero() public {
-    vm.expectRevert("Score must be greater than ZERO.");
-    scoreManager.setGroupScore(owner, 0);
-  }
-
   function test_EmitsValidatorScoreSet() public {
     vm.expectEmit(false, false, false, true);
     emit ValidatorScoreSet(owner, 42);