diff --git a/AreaShop/src/main/java/nl/evolutioncoding/areashop/AreaShop.java b/AreaShop/src/main/java/nl/evolutioncoding/areashop/AreaShop.java
index 1eec3a2..057bf52 100644
--- a/AreaShop/src/main/java/nl/evolutioncoding/areashop/AreaShop.java
+++ b/AreaShop/src/main/java/nl/evolutioncoding/areashop/AreaShop.java
@@ -692,6 +692,7 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 		identifiers.addAll(this.getConfig().getStringList("minutes"));
 		identifiers.addAll(this.getConfig().getStringList("hours"));
 		identifiers.addAll(this.getConfig().getStringList("days"));
+		identifiers.addAll(this.getConfig().getStringList("weeks"));
 		identifiers.addAll(this.getConfig().getStringList("months"));
 		identifiers.addAll(this.getConfig().getStringList("years"));
 		if(!identifiers.contains(suffix)) {
@@ -723,6 +724,7 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 		ArrayList<String> minutes = new ArrayList<String>(this.getConfig().getStringList("minutes"));
 		ArrayList<String> hours = new ArrayList<String>(this.getConfig().getStringList("hours"));
 		ArrayList<String> days = new ArrayList<String>(this.getConfig().getStringList("days"));
+		ArrayList<String> weeks = new ArrayList<String>(this.getConfig().getStringList("weeks"));
 		ArrayList<String> months = new ArrayList<String>(this.getConfig().getStringList("months"));
 		ArrayList<String> years = new ArrayList<String>(this.getConfig().getStringList("years"));
 		
@@ -740,6 +742,8 @@ public final class AreaShop extends JavaPlugin implements AreaShopInterface {
 			calendar.add(Calendar.HOUR, durationInt);
 		} else if(days.contains(durationString)) {
 			calendar.add(Calendar.DAY_OF_MONTH, durationInt);
+		} else if(weeks.contains(durationString)) {
+			calendar.add(Calendar.DAY_OF_MONTH, durationInt*7);
 		} else if(months.contains(durationString)) {
 			calendar.add(Calendar.MONTH, durationInt);
 		} else if(years.contains(durationString)) {
diff --git a/AreaShop/src/main/java/nl/evolutioncoding/areashop/managers/FileManager.java b/AreaShop/src/main/java/nl/evolutioncoding/areashop/managers/FileManager.java
index af18eb9..099f4d2 100644
--- a/AreaShop/src/main/java/nl/evolutioncoding/areashop/managers/FileManager.java
+++ b/AreaShop/src/main/java/nl/evolutioncoding/areashop/managers/FileManager.java
@@ -1022,6 +1022,7 @@ public class FileManager {
 				public void run() {
 					List<GeneralRegion> noWorld = new ArrayList<GeneralRegion>();
 					List<GeneralRegion> noRegion = new ArrayList<GeneralRegion>();
+					List<GeneralRegion> incorrectDuration = new ArrayList<GeneralRegion>();
 					for(GeneralRegion region : AreaShop.getInstance().getFileManager().getRegions()) {
 						// Add broken regions to a list
 						if(region != null) {
@@ -1031,6 +1032,9 @@ public class FileManager {
 							if(region.getRegion() == null) {
 								noRegion.add(region);
 							}
+							if(region.isRentRegion() && !plugin.checkTimeFormat(((RentRegion)region).getDurationString())) {
+								incorrectDuration.add(region);
+							}
 						}
 					}					
 					// All files are loaded, print possible problems to the console
@@ -1062,6 +1066,13 @@ public class FileManager {
 					if(noWorldRegions) {
 						plugin.getLogger().warning("Remove these regions from AreaShop with '/as del' or load the world(s) on the server again.");
 					}
+					if(!incorrectDuration.isEmpty()) {
+						List<String> incorrectDurationNames = new ArrayList<String>();
+						for(GeneralRegion region : incorrectDuration) {
+							incorrectDurationNames.add(region.getName());
+						}
+						plugin.getLogger().warning("The following regions have an incorrect time format as duration: "+Utils.createCommaSeparatedList(incorrectDurationNames));
+					}
 				}
 			}.runTask(plugin);
 		}