diff --git a/src/main/java/com/hm/achievement/db/PooledRequestsSender.java b/src/main/java/com/hm/achievement/db/PooledRequestsSender.java
index f0c8b80b6..ee111cf10 100644
--- a/src/main/java/com/hm/achievement/db/PooledRequestsSender.java
+++ b/src/main/java/com/hm/achievement/db/PooledRequestsSender.java
@@ -141,8 +141,8 @@ private void batchRequestsForMultipleCategory(Statement st, MultipleAchievements
 			if (plugin.getDatabaseManager().getDatabaseType() == DatabaseType.POSTGRESQL) {
 				st.addBatch("INSERT INTO " + plugin.getDatabaseManager().getTablePrefix() + category.toDBName()
 						+ " VALUES ('" + entry.getKey().substring(0, 36) + "', '" + entry.getKey().substring(36) + "', "
-						+ entry.getValue() + ") ON CONFLICT (playername, '" + category.toSubcategoryDBName()
-						+ "') DO UPDATE SET (" + category.toDBName() + ")=(" + entry.getValue() + ")");
+						+ entry.getValue() + ") ON CONFLICT (playername, " + category.toSubcategoryDBName()
+						+ ") DO UPDATE SET (" + category.toDBName() + ")=(" + entry.getValue() + ")");
 			} else {
 				st.addBatch("REPLACE INTO " + plugin.getDatabaseManager().getTablePrefix() + category.toDBName()
 						+ " VALUES ('" + entry.getKey().substring(0, 36) + "', '" + entry.getKey().substring(36) + "', "
diff --git a/src/main/java/com/hm/achievement/db/SQLDatabaseManager.java b/src/main/java/com/hm/achievement/db/SQLDatabaseManager.java
index 2375f9376..01091adee 100644
--- a/src/main/java/com/hm/achievement/db/SQLDatabaseManager.java
+++ b/src/main/java/com/hm/achievement/db/SQLDatabaseManager.java
@@ -682,8 +682,8 @@ protected void performWrite() throws SQLException {
 					// PostgreSQL has no REPLACE operator. We have to use the INSERT ... ON CONFLICT construct,
 					// which is available for PostgreSQL 9.5+.
 					query = "INSERT INTO " + tablePrefix + category.toDBName() + " VALUES ('" + player.toString()
-							+ "', ?, " + statistic + ")" + " ON CONFLICT (playername, '" + subcategory
-							+ "') DO UPDATE SET (" + category.toDBName() + ")=('" + statistic + "')";
+							+ "', ?, " + statistic + ")" + " ON CONFLICT (playername, " + category.toSubcategoryDBName()
+							+ ") DO UPDATE SET (" + category.toDBName() + ")=('" + statistic + "')";
 				} else {
 					query = "REPLACE INTO " + tablePrefix + category.toDBName() + " VALUES ('" + player.toString()
 							+ "', ?, " + statistic + ")";