diff --git a/README.md b/README.md
index 069ea67..2ecc611 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ read_timeout: 60
 
 It will search for the following environment variables which may be in upper or lowercase (the official client defers to lower case, this is available here for compatibility).
 
-- `REPORT_PORTAL_API_KEY` - the API Key for this Report Portal instance which must be created in advance
+- `RP_API_KEY` - the API Key for this Report Portal instance which must be created in advance
 - `RP_ENDPOINT` - the endpoint for this Report Portal instance
 - `RP_PROJECT` - the Report Portal project name which must be created in advance and this user added as a member
 - `RP_LAUNCH` - the name of this 'launch'
diff --git a/lib/parallel_report_portal/configuration.rb b/lib/parallel_report_portal/configuration.rb
index bb16861..75fff86 100644
--- a/lib/parallel_report_portal/configuration.rb
+++ b/lib/parallel_report_portal/configuration.rb
@@ -14,7 +14,7 @@ module ParallelReportPortal
   #
   # == Environment variables
   #
-  # REPORT_PORTAL_API_KEY:: The API key required for authentication
+  # RP_API_KEY:: The API key required for authentication
   # RP_ENDPOINT:: the URL of the Report Portal API endpoint
   # RP_PROJECT:: the Report Portal project name -- this must already exist within Report Port and this user must be a member of the project
   # RP_LAUNCH:: The name of this launch
@@ -61,7 +61,7 @@ class Configuration
     def initialize
       load_configuration_file
       ATTRIBUTES.each do |attr|
-        env_value = get_env("rp_#{attr.to_s}") || get_env("report_portal_#{attr.to_s}")
+        env_value = get_env("rp_#{attr.to_s}")
         send(:"#{attr}=", env_value) if env_value
       end
 
@@ -153,8 +153,6 @@ def load_configuration_file
           ATTRIBUTES.each do |attr|
             yaml_key = if yaml.has_key?("rp_#{attr}".to_sym)
                          "rp_#{attr}".to_sym
-                       elsif yaml.has_key?("report_portal_#{attr}".to_sym)
-                         "report_portal_#{attr}".to_sym
                        else
                          attr
                        end
diff --git a/spec/parallel_report_portal/configuration_spec.rb b/spec/parallel_report_portal/configuration_spec.rb
index 0e6d30b..e0a622a 100644
--- a/spec/parallel_report_portal/configuration_spec.rb
+++ b/spec/parallel_report_portal/configuration_spec.rb
@@ -140,7 +140,7 @@
       expect(Dir).to receive(:[]).with('./config/*').and_return([])
       expect(Dir).to receive(:[]).with('./*').and_return(['./report_portal.yml'])
       expect(File).to receive(:read).with('./report_portal.yml').and_return(<<~CONFIG)
-        report_portal_api_key: 0a14044a-65fb-4981-b4b0-e699f99b4e59
+        rp_api_key: 0a14044a-65fb-4981-b4b0-e699f99b4e59
         rp_endpoint: https://url.local:10000/a/path
         rp_project: rp_project
         rp_launch: rp_launch_name
@@ -163,7 +163,7 @@
       expect(Dir).to receive(:[]).with('./config/*').and_return([])
       expect(Dir).to receive(:[]).with('./*').and_return(['./report_portal.yml'])
       expect(File).to receive(:read).with('./report_portal.yml').and_return(<<~CONFIG)
-        REPORT_PORTAL_API_KEY: 0a14044a-65fb-4981-b4b0-e699f99b4e59
+        RP_API_KEY: 0a14044a-65fb-4981-b4b0-e699f99b4e59
         RP_ENDPOINT: https://url.local:10000/a/path
         RP_PROJECT: rp_project
         RP_LAUNCH: rp_launch_name
@@ -220,14 +220,14 @@
       expect(config.project).to eq(project)
     end  
 
-    it 'accepts REPORT_PORTAL_API_KEY' do
-      api_key = ENV['REPORT_PORTAL_API_KEY'] = '0a14044a-65fb-4981-b4b0-e699f99b4e59'
+    it 'accepts RP_API_KEY' do
+      api_key = ENV['RP_API_KEY'] = '0a14044a-65fb-4981-b4b0-e699f99b4e59'
       config = ParallelReportPortal::Configuration.new
       expect(config.api_key).to eq(api_key)
     end  
 
-    it 'accepts report_portal_api_key' do
-      api_key = ENV['report_portal_api_key'] = '0a14044a-65fb-4981-b4b0-e699f99b4e59'
+    it 'accepts rp_api_key' do
+      api_key = ENV['rp_api_key'] = '0a14044a-65fb-4981-b4b0-e699f99b4e59'
       config = ParallelReportPortal::Configuration.new
       expect(config.api_key).to eq(api_key)
     end