diff --git a/app/models/backtrace_line.rb b/app/models/backtrace_line.rb
index f517ad8..34df8a2 100644
--- a/app/models/backtrace_line.rb
+++ b/app/models/backtrace_line.rb
@@ -10,7 +10,7 @@ class BacktraceLine
 
   embedded_in :backtrace
 
-  scope :in_app, where(:file => IN_APP_PATH)
+  scope :in_app, ->{ where(:file => IN_APP_PATH) }
 
   delegate :app, :to => :backtrace
 
@@ -40,4 +40,3 @@ class BacktraceLine
   end
 
 end
-
diff --git a/app/models/notice.rb b/app/models/notice.rb
index a1e0a5a..df61c85 100644
--- a/app/models/notice.rb
+++ b/app/models/notice.rb
@@ -28,8 +28,8 @@ class Notice
 
   validates_presence_of :backtrace, :server_environment, :notifier
 
-  scope :ordered, order_by(:created_at.asc)
-  scope :reverse_ordered, order_by(:created_at.desc)
+  scope :ordered, ->{ order_by(:created_at.asc) }
+  scope :reverse_ordered, ->{ order_by(:created_at.desc) }
   scope :for_errs, lambda {|errs| where(:err_id.in => errs.all.map(&:id))}
 
   def user_agent
@@ -162,8 +162,8 @@ class Notice
 
 
   def sanitize_hash(h)
-    h.recurse do
-      |h| h.inject({}) do |h,(k,v)|
+    h.recurse do |h|
+      h.inject({}) do |h,(k,v)|
         if k.is_a?(String)
           h[k.gsub(/\./,'.').gsub(/^\$/,'$')] = v
         else
diff --git a/app/models/problem.rb b/app/models/problem.rb
index cf79536..e746024 100644
--- a/app/models/problem.rb
+++ b/app/models/problem.rb
@@ -43,9 +43,9 @@ class Problem
 
   before_create :cache_app_attributes
 
-  scope :resolved, where(:resolved => true)
-  scope :unresolved, where(:resolved => false)
-  scope :ordered, order_by(:last_notice_at.desc)
+  scope :resolved, ->{ where(:resolved => true) }
+  scope :unresolved, ->{ where(:resolved => false) }
+  scope :ordered, ->{ order_by(:last_notice_at.desc) }
   scope :for_apps, lambda {|apps| where(:app_id.in => apps.all.map(&:id))}
 
   validates_presence_of :last_notice_at, :first_notice_at
@@ -184,4 +184,3 @@ class Problem
       Digest::MD5.hexdigest(value.to_s)
     end
 end
-
--
libgit2 0.21.2