diff --git a/CHANGELOG.md b/CHANGELOG.md
index 89ced9bb..bf007b8e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 - Pretty print JSON in edit
 - PostgreSQL: Offer foreign keys in create table
 - PostgreSQL: Add missing parentheses to CHECK export
+- PostgreSQL: Remove duplicate DEFERRABLE in foreign key export
 - PostgreSQL: Mark unique partial indexes as unique (bug #1172)
 - ClickHouse: Fix offset (bug #1188)
 - ClickHouse: Fix list of tables (bug #1176)
diff --git a/adminer/drivers/pgsql.inc.php b/adminer/drivers/pgsql.inc.php
index 4c1aafab..fa5cee46 100644
--- a/adminer/drivers/pgsql.inc.php
+++ b/adminer/drivers/pgsql.inc.php
@@ -912,7 +912,7 @@ AND typelem = 0"
 		ksort($fkeys);
 
 		foreach ($fkeys as $fkey_name => $fkey) {
-			$return .= "ALTER TABLE ONLY " . idf_escape($status['nspname']) . "." . idf_escape($status['Name']) . " ADD CONSTRAINT " . idf_escape($fkey_name) . " $fkey[definition] " . ($fkey['deferrable'] ? 'DEFERRABLE' : 'NOT DEFERRABLE') . ";\n";
+			$return .= "ALTER TABLE ONLY " . idf_escape($status['nspname']) . "." . idf_escape($status['Name']) . " ADD CONSTRAINT " . idf_escape($fkey_name) . " $fkey[definition];\n";
 		}
 
 		return ($return ? "$return\n" : $return);