diff --git a/src/main/java/com/google/gerrit/client/reviewdb/ApprovalCategory.java b/src/main/java/com/google/gerrit/client/reviewdb/ApprovalCategory.java
index d4b644b873..2aa5df6714 100644
--- a/src/main/java/com/google/gerrit/client/reviewdb/ApprovalCategory.java
+++ b/src/main/java/com/google/gerrit/client/reviewdb/ApprovalCategory.java
@@ -106,6 +106,10 @@ public final class ApprovalCategory {
   @Column
   protected String functionName;
 
+  /** If set, the minimum score is copied during patch set replacement. */
+  @Column
+  protected boolean copyMinScore;
+
   protected ApprovalCategory() {
   }
 
@@ -154,4 +158,12 @@ public final class ApprovalCategory {
   public void setFunctionName(final String name) {
     functionName = name;
   }
+
+  public boolean isCopyMinScore() {
+    return copyMinScore;
+  }
+
+  public void setCopyMinScore(final boolean copy) {
+    copyMinScore = copy;
+  }
 }
diff --git a/src/main/java/com/google/gerrit/server/config/SystemConfigProvider.java b/src/main/java/com/google/gerrit/server/config/SystemConfigProvider.java
index 66869ad98b..aabc23d47a 100644
--- a/src/main/java/com/google/gerrit/server/config/SystemConfigProvider.java
+++ b/src/main/java/com/google/gerrit/server/config/SystemConfigProvider.java
@@ -201,6 +201,7 @@ class SystemConfigProvider implements Provider<SystemConfig> {
     cat = new ApprovalCategory(new ApprovalCategory.Id("CRVW"), "Code Review");
     cat.setPosition((short) 1);
     cat.setAbbreviatedName("R");
+    cat.setCopyMinScore(true);
     vals = new ArrayList<ApprovalCategoryValue>();
     vals.add(value(cat, 2, "Looks good to me, approved"));
     vals.add(value(cat, 1, "Looks good to me, but someone else must approve"));
diff --git a/src/main/java/com/google/gerrit/server/ssh/commands/Receive.java b/src/main/java/com/google/gerrit/server/ssh/commands/Receive.java
index 4fa134a48d..8b79ee8c7f 100644
--- a/src/main/java/com/google/gerrit/server/ssh/commands/Receive.java
+++ b/src/main/java/com/google/gerrit/server/ssh/commands/Receive.java
@@ -1002,7 +1002,10 @@ final class Receive extends AbstractGitCommand {
             oldCC.add(a.getAccountId());
           }
 
-          if (a.getValue() < 0 && a.getPatchSetId().equals(priorPatchSet)) {
+          final ApprovalType type =
+              approvalTypes.getApprovalType(a.getCategoryId());
+          if (a.getPatchSetId().equals(priorPatchSet)
+              && type.getCategory().isCopyMinScore() && type.isMaxNegative(a)) {
             // If there was a negative vote on the prior patch set, carry it
             // into this patch set.
             //
diff --git a/src/main/webapp/WEB-INF/sql/upgrade017_018_mysql.sql b/src/main/webapp/WEB-INF/sql/upgrade017_018_mysql.sql
index 2dabc61ba8..32017358b3 100644
--- a/src/main/webapp/WEB-INF/sql/upgrade017_018_mysql.sql
+++ b/src/main/webapp/WEB-INF/sql/upgrade017_018_mysql.sql
@@ -5,6 +5,11 @@ ALTER TABLE approval_categories ADD abbreviated_name VARCHAR(4);
 UPDATE approval_categories SET abbreviated_name = 'V' WHERE category_id = 'VRIF';
 UPDATE approval_categories SET abbreviated_name = 'R' WHERE category_id = 'CRVW';
 
+ALTER TABLE approval_categories ADD copy_min_score CHAR(1);
+UPDATE approval_categories SET copy_min_score = 'N';
+UPDATE approval_categories SET copy_min_score = 'Y' WHERE category_id = 'CRVW';
+ALTER TABLE approval_categories MODIFY copy_min_score CHAR(1) DEFAULT 'N' NOT NULL;
+
 DROP TABLE patches;
 
 UPDATE schema_version SET version_nbr = 18;
diff --git a/src/main/webapp/WEB-INF/sql/upgrade017_018_postgres.sql b/src/main/webapp/WEB-INF/sql/upgrade017_018_postgres.sql
index 0e938796a2..87feb38072 100644
--- a/src/main/webapp/WEB-INF/sql/upgrade017_018_postgres.sql
+++ b/src/main/webapp/WEB-INF/sql/upgrade017_018_postgres.sql
@@ -9,6 +9,12 @@ ALTER TABLE approval_categories ADD abbreviated_name VARCHAR(4);
 UPDATE approval_categories SET abbreviated_name = 'V' WHERE category_id = 'VRIF';
 UPDATE approval_categories SET abbreviated_name = 'R' WHERE category_id = 'CRVW';
 
+ALTER TABLE approval_categories ADD copy_min_score CHAR(1);
+UPDATE approval_categories SET copy_min_score = 'N';
+UPDATE approval_categories SET copy_min_score = 'Y' WHERE category_id = 'CRVW';
+ALTER TABLE approval_categories ALTER COLUMN copy_min_score SET DEFAULT 'N';
+ALTER TABLE approval_categories ALTER COLUMN copy_min_score SET NOT NULL;
+
 DROP TABLE patches;
 
 UPDATE schema_version SET version_nbr = 18;