diff --git a/adminer/drivers/mysql.inc.php b/adminer/drivers/mysql.inc.php
index 0ff3cae5..e395e4de 100644
--- a/adminer/drivers/mysql.inc.php
+++ b/adminer/drivers/mysql.inc.php
@@ -603,7 +603,7 @@ if (!defined('Adminer\DRIVER')) {
 			preg_match('~^([^( ]+)(?:\((.+)\))?( unsigned)?( zerofill)?$~', $type, $match_type);
 			$default = $row["COLUMN_DEFAULT"];
 			if ($default != "") {
-				$is_text = preg_match('~text~', $match_type[1]);
+				$is_text = preg_match('~text|json~', $match_type[1]);
 				if (!$maria && $is_text) {
 					// default value a'b of text column is stored as _utf8mb4\'a\\\'b\' in MySQL
 					$default = preg_replace("~^(_\w+)?('.*')$~", '\2', stripslashes($default));
diff --git a/adminer/include/editing.inc.php b/adminer/include/editing.inc.php
index 351868ae..b1a9993a 100644
--- a/adminer/include/editing.inc.php
+++ b/adminer/include/editing.inc.php
@@ -314,7 +314,7 @@ function default_value($field) {
 	return ($default === null ? "" : (in_array($generated, $driver->generated)
 		? (JUSH == "mssql" ? " AS ($default)" . ($generated == "VIRTUAL" ? "" : " $generated") . "" : " GENERATED ALWAYS AS ($default) $generated")
 		: " DEFAULT " . (!preg_match('~^GENERATED ~i', $default) && (preg_match('~char|binary|text|enum|set~', $field["type"]) || preg_match('~^(?![a-z])~i', $default))
-			? (JUSH == "sql" && preg_match('~text~', $field["type"]) ? "(" . q($default) . ")" : q($default)) // MySQL requires () around default value of text column
+			? (JUSH == "sql" && preg_match('~text|json~', $field["type"]) ? "(" . q($default) . ")" : q($default)) // MySQL requires () around default value of text column
 			: str_ireplace("current_timestamp()", "CURRENT_TIMESTAMP", (JUSH == "sqlite" ? "($default)" : $default))
 		)
 	));
diff --git a/adminer/select.inc.php b/adminer/select.inc.php
index 8631c655..32688b24 100644
--- a/adminer/select.inc.php
+++ b/adminer/select.inc.php
@@ -452,7 +452,7 @@ if (!$columns && support("table")) {
 						$id = h("val[$unique_idf][" . bracket_escape($key) . "]");
 						$value = $_POST["val"][$unique_idf][bracket_escape($key)];
 						$editable = !is_array($row[$key]) && is_utf8($val) && $rows[$n][$key] == $row[$key] && !$functions[$key] && !$field["generated"];
-						$text = preg_match('~text|lob~', $field["type"]);
+						$text = preg_match('~text|json|lob~', $field["type"]);
 						echo "<td id='$id'";
 						if (($_GET["modify"] && $editable) || $value !== null) {
 							$h_value = h($value !== null ? $value : $row[$key]);
diff --git a/changes.txt b/changes.txt
index 24c461a2..08b1e730 100644
--- a/changes.txt
+++ b/changes.txt
@@ -1,5 +1,6 @@
 Adminer dev:
 MySQL: Display default values of binary columns
+MySQL: Allow setting default values of json column
 MariaDB: Don't display NULL as default value (regression from 5.0.0)
 PostgreSQL PDO: Escape bytea values (bug #218)
 MS SQL: Fix editing rows with datetime column in primary key