diff --git a/jOOQ-manual/src/main/resources/org/jooq/web/grammar-3.10.txt b/jOOQ-manual/src/main/resources/org/jooq/web/grammar-3.10.txt
index 8f71ed92b4..bb9f7f5642 100644
--- a/jOOQ-manual/src/main/resources/org/jooq/web/grammar-3.10.txt
+++ b/jOOQ-manual/src/main/resources/org/jooq/web/grammar-3.10.txt
@@ -572,7 +572,7 @@ term =
 | ( 'UPPER' | 'UCASE' ) '(' field ')'
 | 'VAR_POP' '(' field ')' [ over ]
 | 'VAR_SAMP' '(' field ')' [ over ]
-| 'WIDTH_BUCKET' '(' field, field, field, field ')'
+| 'WIDTH_BUCKET' '(' field ',' field ',' field ',' field ')'
 | binaryLiteral
 | 'YEAR' '(' field ')'
 | unsignedNumericLiteral
diff --git a/jOOQ/src/main/java/org/jooq/impl/WidthBucket.java b/jOOQ/src/main/java/org/jooq/impl/WidthBucket.java
index 19acce038e..f6ae71a529 100644
--- a/jOOQ/src/main/java/org/jooq/impl/WidthBucket.java
+++ b/jOOQ/src/main/java/org/jooq/impl/WidthBucket.java
@@ -70,8 +70,9 @@ final class WidthBucket<T extends Number> extends AbstractField<T> {
 
 
 
-
-
+            case POSTGRES:
+                ctx.visit(DSL.field("{width_bucket}({0}, {1}, {2}, {3})", getType(), field, low, high, buckets));
+                break;
 
             default:
                 ctx.visit(