diff --git a/Components/Services/Installments/InstallmentsRequestService.php b/Components/Services/Installments/InstallmentsRequestService.php
index 45ede062..790d9f2e 100644
--- a/Components/Services/Installments/InstallmentsRequestService.php
+++ b/Components/Services/Installments/InstallmentsRequestService.php
@@ -46,7 +46,7 @@ public function getList($productPrice)
         $financingRequest = new FinancingRequest();
         $financingRequest->setFinancingCountryCode('DE');
         $transactionAmount = new FinancingRequest\TransactionAmount();
-        $transactionAmount->setValue($productPrice);
+        $transactionAmount->setValue($this->formatPrice($productPrice));
         $transactionAmount->setCurrencyCode('EUR');
         $financingRequest->setTransactionAmount($transactionAmount);
 
@@ -64,4 +64,14 @@ public function getList($productPrice)
             return null;
         }
     }
+
+    /**
+     * @param float|string $price
+     *
+     * @return float
+     */
+    private function formatPrice($price)
+    {
+        return round((float) str_replace(',', '.', $price), 2);
+    }
 }
diff --git a/PayPalBundle/Structs/Installments/FinancingRequest/TransactionAmount.php b/PayPalBundle/Structs/Installments/FinancingRequest/TransactionAmount.php
index 79a7364c..dc2e6aaa 100644
--- a/PayPalBundle/Structs/Installments/FinancingRequest/TransactionAmount.php
+++ b/PayPalBundle/Structs/Installments/FinancingRequest/TransactionAmount.php
@@ -11,7 +11,7 @@
 class TransactionAmount
 {
     /**
-     * @var float
+     * @var string
      */
     private $value;
 
@@ -21,7 +21,7 @@ class TransactionAmount
     private $currencyCode;
 
     /**
-     * @return float
+     * @return string
      */
     public function getValue()
     {
@@ -29,11 +29,11 @@ public function getValue()
     }
 
     /**
-     * @param float $value
+     * @param float|string $value
      */
     public function setValue($value)
     {
-        $this->value = $value;
+        $this->value = (string) $value;
     }
 
     /**
diff --git a/PayPalBundle/Structs/Payment/Transactions/ItemList/Item.php b/PayPalBundle/Structs/Payment/Transactions/ItemList/Item.php
index 3b17ec59..f2f56364 100644
--- a/PayPalBundle/Structs/Payment/Transactions/ItemList/Item.php
+++ b/PayPalBundle/Structs/Payment/Transactions/ItemList/Item.php
@@ -97,7 +97,7 @@ public function getPrice()
     }
 
     /**
-     * @param float $price
+     * @param float|string $price
      */
     public function setPrice($price)
     {
diff --git a/Setup/Updater.php b/Setup/Updater.php
index c33a0ba1..3469147e 100644
--- a/Setup/Updater.php
+++ b/Setup/Updater.php
@@ -78,18 +78,46 @@ private function updateTo103()
 
     private function updateTo110()
     {
-        $sql = 'ALTER TABLE `swag_payment_paypal_unified_settings_general` 
-                ADD COLUMN `landing_page_type` VARCHAR(255);
-                UPDATE `swag_payment_paypal_unified_settings_general` SET `landing_page_type` = "Login";';
+        if (!$this->checkIfColumnExist('swag_payment_paypal_unified_settings_general', 'landing_page_type')) {
+            $sql = 'ALTER TABLE `swag_payment_paypal_unified_settings_general`
+                    ADD COLUMN `landing_page_type` VARCHAR(255);
+                    UPDATE `swag_payment_paypal_unified_settings_general`
+                    SET `landing_page_type` = "Login";';
 
-        $this->connection->executeQuery($sql);
+            $this->connection->executeQuery($sql);
+        }
     }
 
     private function updateTo111()
     {
-        $sql = 'ALTER TABLE `swag_payment_paypal_unified_settings_general` 
-                DROP COLUMN `logo_image`;';
+        if ($this->checkIfColumnExist('swag_payment_paypal_unified_settings_general', 'logo_image')) {
+            $sql = 'ALTER TABLE `swag_payment_paypal_unified_settings_general`
+                    DROP COLUMN `logo_image`;';
+
+            $this->connection->executeQuery($sql);
+        }
+    }
+
+    /**
+     * Helper function to check if a column exists which is needed during update
+     *
+     * @param string $tableName
+     * @param string $columnName
+     *
+     * @return bool
+     */
+    private function checkIfColumnExist($tableName, $columnName)
+    {
+        $sql = <<<SQL
+SELECT column_name
+FROM information_schema.columns
+WHERE table_name = :tableName
+    AND column_name = :columnName
+    AND table_schema = DATABASE();
+SQL;
+
+        $columnNameInDb = $this->connection->executeQuery($sql, ['tableName' => $tableName, 'columnName' => $columnName])->fetchColumn();
 
-        $this->connection->executeQuery($sql);
+        return $columnNameInDb === $columnName;
     }
 }
diff --git a/plugin.xml b/plugin.xml
index 1e30643f..28625bca 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -5,13 +5,26 @@
     <label lang="de">PayPal</label>
     <label lang="en">PayPal</label>
 
-    <version>1.1.0</version>
+    <version>1.1.1</version>
     <copyright>(c) by shopware AG</copyright>
     <license>MIT</license>
     <link>http://store.shopware.com</link>
     <author>shopware AG</author>
     <compatibility minVersion="5.2.0"/>
 
+    <changelog version="1.1.1">
+        <changes lang="de">
+            PT-8708 - Obsoleten Code und Tabellenspalte entfernt;
+            PT-9564 - Kompatibilität mit Safari auf iOS und MacOS verbessert;
+            PT-9710 - Übertragung von Preisen zu PayPal verbessert;
+        </changes>
+        <changes lang="en">
+            PT-8708 - Removed obsolete code and table column;
+            PT-9564 - Improved compatibility with Safari on iOS and MacOS;
+            PT-9710 - Improved transmission of prices to PayPal;
+        </changes>
+    </changelog>
+
     <changelog version="1.1.0">
         <changes lang="de">
             PT-8708, PT-9707 - Die PayPal Experience Profile Logik wurde durch den Application Context ersetzt. Dadurch entfällt die Bildauswahl für das Logo auf der PayPal-Seite. Dies wird nun über das Händlerkonto bezogen;