diff --git a/src/main/java/info/peper/vz/rest/VzRestController.java b/src/main/java/info/peper/vz/rest/VzRestController.java
index 68cd1df..ba0a065 100644
--- a/src/main/java/info/peper/vz/rest/VzRestController.java
+++ b/src/main/java/info/peper/vz/rest/VzRestController.java
@@ -165,25 +165,25 @@ class VzRestController {
 	@GetMapping("/data/prices")
 	List<EnergyPrice> getPrices(@RequestParam("timestampStart")final long timestampStart,
 			@RequestParam("timestampEnd")final long timestampEnd,
-			@RequestParam("contractId")final int contractId) {
+			@RequestParam("houseId")final int houseId) {
 		final List<EnergyPrice> prices = jdbcTemplate.query(
-				"SELECT * FROM tobias_energy_price WHERE contract_id=? AND timestamp_start < ? AND timestamp_end >= ? ORDER BY timestamp_start;", 
-				(rs, rowNum) -> new EnergyPrice(rs.getInt("contract_id"), rs.getLong("timestamp_start"), rs.getLong("timestamp_end"),
+				"SELECT * FROM tobias_energy_price WHERE house_id=? AND timestamp_start < ? AND timestamp_end >= ? ORDER BY timestamp_start;", 
+				(rs, rowNum) -> new EnergyPrice(rs.getInt("house_id"), rs.getLong("timestamp_start"), rs.getLong("timestamp_end"),
 						rs.getFloat("price")),
-				contractId ,timestampEnd, timestampStart);
+				houseId ,timestampEnd, timestampStart);
 		return prices;
 	}
 	
 	@GetMapping("/data/summary")
 	String getSummary(@RequestParam("timestampStart")final long timestampStart,
 			@RequestParam("timestampEnd")final long timestampEnd,
-			@RequestParam("contractId")final int contractId,
+			@RequestParam("houseId")final int houseId,
 			@RequestParam("channelIdMeter")final int channelIdMeter,
 			@RequestParam("channelIdSolar")final int channelIdSolar) {
 		final NumberFormat formatCurrency = new DecimalFormat("#,##0.00", new DecimalFormatSymbols(Locale.GERMAN));
 		final NumberFormat formatPercent = new DecimalFormat("#,##0.00", new DecimalFormatSymbols(Locale.GERMAN));
 		final NumberFormat formatEnergy = new DecimalFormat("#,##0", new DecimalFormatSymbols(Locale.GERMAN));
-		final List<EnergyPrice> prices = this.getPrices(timestampStart, timestampEnd, contractId);
+		final List<EnergyPrice> prices = this.getPrices(timestampStart, timestampEnd, houseId);
 		final List<Sums> partsMeter = new LinkedList<Sums>();
 		final List<Sums> partsSolar = new LinkedList<Sums>();
 		float savedMoney = 0;
@@ -216,11 +216,11 @@ class VzRestController {
 	@GetMapping("/data/summary2")
 	String getSummary2(@RequestParam("timestampStart")final long timestampStart,
 			@RequestParam("timestampEnd")final long timestampEnd,
-			@RequestParam("contractId")final int contractId) {
+			@RequestParam("houseId")final int houseId) {
 		final NumberFormat formatCurrency = new DecimalFormat("#,##0.00", new DecimalFormatSymbols(Locale.GERMAN));
 		final NumberFormat formatPercent = new DecimalFormat("#,##0.00", new DecimalFormatSymbols(Locale.GERMAN));
 		final NumberFormat formatEnergy = new DecimalFormat("#,##0", new DecimalFormatSymbols(Locale.GERMAN));
-		final List<EnergyPrice> prices = this.getPrices(timestampStart, timestampEnd, contractId);
+		final List<EnergyPrice> prices = this.getPrices(timestampStart, timestampEnd, houseId);
 		
 		
 		float savedMoney = 0;
@@ -230,7 +230,7 @@ class VzRestController {
 		for (EnergyPrice price : prices) {
 			final long tsStart = Math.max(price.getTimestampStart(), timestampStart);
 			final long tsEnd = Math.min(price.getTimestampEnd(), timestampEnd);
-			final Sums2 sums = getData2(tsStart, tsEnd, contractId);
+			final Sums2 sums = getData2(tsStart, tsEnd, houseId);
 			savedMoney += (float)(sums.getProduced() - sums.getInjected())/1000000 * price.getPrice();
 			totalProduced += sums.getProduced();
 			totalObtained += sums.getObtained();