diff --git a/Guardfile b/Guardfile
index 3998394..7ce5674 100644
--- a/Guardfile
+++ b/Guardfile
@@ -1,4 +1,4 @@
-guard 'spork', :rspec_env => { 'RAILS_ENV' => 'test' } do
+guard 'spork', :aggressive_kill => false do
   watch('spec/spec_helper.rb') { :rspec }
 end
 
diff --git a/fixtures/rails_3_2_12/Guardfile b/fixtures/rails_3_2_12/Guardfile
index 2fa63d3..093b3ad 100644
--- a/fixtures/rails_3_2_12/Guardfile
+++ b/fixtures/rails_3_2_12/Guardfile
@@ -1,4 +1,4 @@
-guard 'spork', :rspec_port => 1234, :rspec_env => { 'RAILS_ENV' => 'test' } do
+guard 'spork', :rspec_port => 1234, :aggressive_kill => false do
   watch('spec/spec_helper.rb') { :rspec }
 end
 
diff --git a/fixtures/rails_3_2_12_no_init/Guardfile b/fixtures/rails_3_2_12_no_init/Guardfile
index fda53d4..82863bd 100644
--- a/fixtures/rails_3_2_12_no_init/Guardfile
+++ b/fixtures/rails_3_2_12_no_init/Guardfile
@@ -1,4 +1,4 @@
-guard 'spork', :rspec_port => 1235, :rspec_env => { 'RAILS_ENV' => 'test' } do
+guard 'spork', :rspec_port => 1235, :aggressive_kill => false do
   watch('spec/spec_helper.rb') { :rspec }
 end