diff --git a/src/dialogs.py b/src/dialogs.py
index c3d96464e..7546f9626 100644
--- a/src/dialogs.py
+++ b/src/dialogs.py
@@ -119,7 +119,7 @@ class PreferencesDlg:
 			self.preferences.set("max_number_uploads", self.glade.get_widget("spin_num_upload").get_value())
 			self.preferences.set("max_download_rate", self.glade.get_widget("spin_max_download").get_value())
 			self.preferences.set("proxy_port", self.glade.get_widget("spin_proxy_port").get_value())
-			self.preferences.set("max_connections", self.glade.get_widget("spin_max_connections").get_value())
+			self.preferences.set("max_connections", int(self.glade.get_widget("spin_max_connections").get_value()))
 			self.preferences.set("max_active_torrents", int(self.glade.get_widget("spin_torrents").get_value()))
 			self.preferences.set("queue_seeds_to_bottom", self.glade.get_widget("chk_seedbottom").get_active())
 			self.preferences.set("enable_dht", self.glade.get_widget("chk_dht").get_active())
diff --git a/src/interface.py b/src/interface.py
index bdd63a104..431af46e7 100644
--- a/src/interface.py
+++ b/src/interface.py
@@ -692,14 +692,17 @@ class DelugeGTK:
 	def apply_prefs(self):
 		# Show tray icon if necessary
 		self.tray_icon.set_visible(self.config.get("enable_system_tray"))
-		
+	
 		# Update the max_*_rate_bps prefs
-		ulrate = self.config.get("max_upload_rate") * 1024
-		dlrate = self.config.get("max_download_rate") * 1024
-		if not (ulrate < 0):
-			self.config.set("max_upload_rate_bps", ulrate)
-		if not (dlrate < 0):
-			self.config.set("max_download_rate_bps", dlrate)
+		if self.config.get("max_upload_rate") < 0:
+			self.config.set("max_upload_rate_bps", -1)
+		else:
+			self.config.set("max_upload_rate_bps", int(self.config.get("max_upload_rate") * 1024))
+
+		if self.config.get("max_download_rate") < 0:
+			self.config.set("max_download_rate_bps", -1)
+		else:
+			self.config.set("max_download_rate_bps", int(self.config.get("max_download_rate") * 1024))
 		
 		# Update the tray download speed limits
 		if self.config.get("max_download_rate") not in self.config.get("tray_downloadspeedlist") and self.config.get("max_download_rate") >= 0:
diff --git a/src/pref.py b/src/pref.py
index 0851530a9..cc1f3e98d 100644
--- a/src/pref.py
+++ b/src/pref.py
@@ -53,12 +53,12 @@ DEFAULT_PREFS = {
 	"lock_tray" : False,
 	"max_active_torrents" : -1,
 	"max_connections" : 600,
-	"max_download_rate" : -1.0,
+	"max_download_rate" : -1,
 	"max_download_rate_bps": -1.0,
 	"max_number_downloads" : -1.0,
 	"max_number_uploads" : -1.0,
 	"max_upload_rate" : -1.0,
-	"max_upload_rate_bps" : -1.0,
+	"max_upload_rate_bps" : -1,
 	"max_uploads" : 2,
 	"pref_rc4" : True,
 	"proxy_type" : common.ProxyType.none,