diff --git a/bundler/lib/bundler/cli/pristine.rb b/bundler/lib/bundler/cli/pristine.rb
index b8545fe4c9c3..f463f0bce824 100644
--- a/bundler/lib/bundler/cli/pristine.rb
+++ b/bundler/lib/bundler/cli/pristine.rb
@@ -53,7 +53,7 @@ def run
           true
         end.map(&:name)
 
-        jobs = installer.send(:installation_parallelization)
+        jobs = Bundler.settings.installation_parallelization
         pristine_count = definition.specs.count - installed_specs.count
         # allow a pristining a single gem to skip the parallel worker
         jobs = [jobs, pristine_count].min
diff --git a/bundler/lib/bundler/definition.rb b/bundler/lib/bundler/definition.rb
index efc749e9b326..d9abc85d228f 100644
--- a/bundler/lib/bundler/definition.rb
+++ b/bundler/lib/bundler/definition.rb
@@ -1122,7 +1122,9 @@ def source_requirements
     end
 
     def preload_git_source_worker
-      @preload_git_source_worker ||= Bundler::Worker.new(5, "Git source preloading", ->(source, _) { source.specs })
+      workers = Bundler.settings.installation_parallelization
+
+      @preload_git_source_worker ||= Bundler::Worker.new(workers, "Git source preloading", ->(source, _) { source.specs })
     end
 
     def preload_git_sources
diff --git a/bundler/lib/bundler/fetcher/gem_remote_fetcher.rb b/bundler/lib/bundler/fetcher/gem_remote_fetcher.rb
index 3c3c1826a1b1..3159e056880a 100644
--- a/bundler/lib/bundler/fetcher/gem_remote_fetcher.rb
+++ b/bundler/lib/bundler/fetcher/gem_remote_fetcher.rb
@@ -8,7 +8,7 @@ class GemRemoteFetcher < Gem::RemoteFetcher
       def initialize(*)
         super
 
-        @pool_size = 5
+        @pool_size = Bundler.settings.installation_parallelization
       end
 
       def request(*args)
diff --git a/bundler/lib/bundler/installer.rb b/bundler/lib/bundler/installer.rb
index c5fd75431f41..3455f72c2143 100644
--- a/bundler/lib/bundler/installer.rb
+++ b/bundler/lib/bundler/installer.rb
@@ -189,21 +189,13 @@ def install(options)
       standalone = options[:standalone]
       force = options[:force]
       local = options[:local] || options[:"prefer-local"]
-      jobs = installation_parallelization
+      jobs = Bundler.settings.installation_parallelization
       spec_installations = ParallelInstaller.call(self, @definition.specs, jobs, standalone, force, local: local)
       spec_installations.each do |installation|
         post_install_messages[installation.name] = installation.post_install_message if installation.has_post_install_message?
       end
     end
 
-    def installation_parallelization
-      if jobs = Bundler.settings[:jobs]
-        return jobs
-      end
-
-      Bundler.settings.processor_count
-    end
-
     def load_plugins
       Gem.load_plugins
 
diff --git a/bundler/lib/bundler/man/bundle-config.1 b/bundler/lib/bundler/man/bundle-config.1
index 000fe664da6c..ed66ba9a4817 100644
--- a/bundler/lib/bundler/man/bundle-config.1
+++ b/bundler/lib/bundler/man/bundle-config.1
@@ -146,7 +146,7 @@ When set, no post install messages will be printed\. To silence a single gem, us
 Generate a \fBgems\.rb\fR instead of a \fBGemfile\fR when running \fBbundle init\fR\.
 .TP
 \fBjobs\fR (\fBBUNDLE_JOBS\fR)
-The number of gems Bundler can install in parallel\. Defaults to the number of available processors\.
+The number of gems Bundler can download and install in parallel\. Defaults to the number of available processors\.
 .TP
 \fBlockfile\fR (\fBBUNDLE_LOCKFILE\fR)
 The path to the lockfile that bundler should use\. By default, Bundler adds \fB\.lock\fR to the end of the \fBgemfile\fR entry\. Can be set to \fBfalse\fR in the Gemfile to disable lockfile creation entirely (see gemfile(5))\.
diff --git a/bundler/lib/bundler/man/bundle-config.1.ronn b/bundler/lib/bundler/man/bundle-config.1.ronn
index a8670a36709d..b70293cfedda 100644
--- a/bundler/lib/bundler/man/bundle-config.1.ronn
+++ b/bundler/lib/bundler/man/bundle-config.1.ronn
@@ -192,8 +192,8 @@ learn more about their operation in [bundle install(1)](bundle-install.1.html).
 * `init_gems_rb` (`BUNDLE_INIT_GEMS_RB`):
    Generate a `gems.rb` instead of a `Gemfile` when running `bundle init`.
 * `jobs` (`BUNDLE_JOBS`):
-   The number of gems Bundler can install in parallel. Defaults to the number of
-   available processors.
+   The number of gems Bundler can download and install in parallel.
+   Defaults to the number of available processors.
 * `lockfile` (`BUNDLE_LOCKFILE`):
    The path to the lockfile that bundler should use. By default, Bundler adds
    `.lock` to the end of the `gemfile` entry. Can be set to `false` in the
diff --git a/bundler/lib/bundler/settings.rb b/bundler/lib/bundler/settings.rb
index 6c12ca946602..d120faca61fa 100644
--- a/bundler/lib/bundler/settings.rb
+++ b/bundler/lib/bundler/settings.rb
@@ -303,6 +303,10 @@ def app_cache_path
       @app_cache_path ||= self[:cache_path] || "vendor/cache"
     end
 
+    def installation_parallelization
+      self[:jobs] || processor_count
+    end
+
     def validate!
       all.each do |raw_key|
         [@local_config, @env_config, @global_config].each do |settings|