diff --git a/Classes/Persistence/Storage/Typo3DbBackend.php b/Classes/Persistence/Storage/Typo3DbBackend.php
index ef5c61b..20d4a94 100644
--- a/Classes/Persistence/Storage/Typo3DbBackend.php
+++ b/Classes/Persistence/Storage/Typo3DbBackend.php
@@ -764,11 +764,11 @@ class Tx_Extbase_Persistence_Storage_Typo3DbBackend implements Tx_Extbase_Persis
 				} elseif (is_array($parameter) || ($parameter instanceof ArrayAccess) || ($parameter instanceof Traversable)) {
 					$items = array();
 					foreach ($parameter as $item) {
-						$items[] = $this->databaseHandle->fullQuoteStr($item, 'foo');
+						$items[] = $this->quoteValue($item);
 					}
 					$parameter = '(' . implode(',', $items) . ')';
 				} else {
-					$parameter = $this->databaseHandle->fullQuoteStr($parameter, 'foo'); // FIXME This may not work with DBAL; check this
+					$parameter = $this->quoteValue($parameter);
 				}
 				$sqlString = substr($sqlString, 0, $markPosition) . $parameter . substr($sqlString, $markPosition + 1);
 			}
@@ -1058,6 +1058,25 @@ class Tx_Extbase_Persistence_Storage_Typo3DbBackend implements Tx_Extbase_Persis
 		// TODO check if we can hand this over to the Dispatcher to clear the page only once, this will save around 10% time while inserting and updating
 		$this->cacheService->clearPageCache($pageIdsToClear);
 	}
+
+	/**
+	 * Correct quoting of values depending on its type
+	 *
+	 * @param mixed $value
+	 * @return mixed
+	 */
+	protected function quoteValue($value) {
+		if (is_int($value) || ctype_digit($value)) {
+			$value = (int)$value;
+		} elseif(is_float($value) || (string)(float)$value == (string)$value) {
+			$value = (float)$value;
+		} else {
+				 // FIXME This may not work with DBAL; check this
+			$value = $this->databaseHandle->fullQuoteStr($value, 'foo');
+		}
+
+		return $value;
+	}
 }
 
 ?>
\ No newline at end of file