diff --git a/lib/btc_sell_prices.rb b/lib/btc_sell_prices.rb
index 313ae92bb8f4a979b520414e376af108e3f3fdc6..0a56103832a79903b3c02e8df85260084b9d8d59 100644
--- a/lib/btc_sell_prices.rb
+++ b/lib/btc_sell_prices.rb
@@ -52,7 +52,7 @@ protected
 				@oxr.update_rates
 				@oxr.get_rate("CAD", "USD")
 			}.then do |orate|
-				@redis.setex("cad_to_usd", orate, 60 * 60).then { orate }
+				@redis.setex("cad_to_usd", 60 * 60, orate).then { orate }
 			end
 		end
 	end
diff --git a/lib/registration.rb b/lib/registration.rb
index a5984dbe9d3ab2c15e0efe48d3fd5937b29c59d9..30c65a5688f9a47632b4d6b2937732a99515e836 100644
--- a/lib/registration.rb
+++ b/lib/registration.rb
@@ -169,11 +169,11 @@ class Registration
 
 			def save
 				EMPromise.all([
-					REDIS.setex("pending_tel_for-#{@customer.jid}", tel, THIRTY_DAYS),
+					REDIS.setex("pending_tel_for-#{@customer.jid}", THIRTY_DAYS, tel),
 					REDIS.setex(
 						"pending_plan_for-#{customer_id}",
-						@customer.plan_name,
-						THIRTY_DAYS
+						THIRTY_DAYS,
+						@customer.plan_name
 					)
 				])
 			end
diff --git a/lib/web_register_manager.rb b/lib/web_register_manager.rb
index 905a96c57d70ead892677974ac77a1c535a86b57..87be1db90dfbbb9ae739dd3e83f78fda4548030c 100644
--- a/lib/web_register_manager.rb
+++ b/lib/web_register_manager.rb
@@ -8,7 +8,7 @@ class WebRegisterManager
 	end
 
 	def set(jid, tel)
-		@redis.setex("pending_tel_for-#{jid}", tel, THIRTY_DAYS)
+		@redis.setex("pending_tel_for-#{jid}", THIRTY_DAYS, tel)
 	end
 
 	def [](jid)
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 4faa24aeb3892c2c893a5b26f5ae9060075497db..c546f701720f7b5c8bac882d73b3016997e5575c 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -142,7 +142,7 @@ class FakeRedis
 		EMPromise.resolve("OK")
 	end
 
-	def setex(key, value, _expiry)
+	def setex(key, _expiry, value)
 		set(key, value)
 	end