diff --git a/lib/umbrellio_utils/jobs.rb b/lib/umbrellio_utils/jobs.rb
index 86f8c2c..80f9ec6 100644
--- a/lib/umbrellio_utils/jobs.rb
+++ b/lib/umbrellio_utils/jobs.rb
@@ -67,7 +67,8 @@ def capsules_for(worker, max_concurrency)
       weight_coef = capsule.weight / total_weight.to_f
       concurrency = (max_concurrency * weight_coef).to_i
       concurrency = 1 unless concurrency > 1
-      queues = self.queues.select { |x| x.capsule == capsule.name }.map { |x| [x.name, x.weight] }
+      queues =
+        self.queues.select { |x| x.capsule == capsule.name }.map { |x| [x.name.to_s, x.weight] }
       Entry.new(capsule.name, queues, concurrency)
     end
 
diff --git a/lib/umbrellio_utils/version.rb b/lib/umbrellio_utils/version.rb
index 70633d7..7c8b1df 100644
--- a/lib/umbrellio_utils/version.rb
+++ b/lib/umbrellio_utils/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module UmbrellioUtils
-  VERSION = "1.5.0"
+  VERSION = "1.5.1"
 end
diff --git a/spec/umbrellio_utils/jobs_spec.rb b/spec/umbrellio_utils/jobs_spec.rb
index c30ea87..5c45aef 100644
--- a/spec/umbrellio_utils/jobs_spec.rb
+++ b/spec/umbrellio_utils/jobs_spec.rb
@@ -36,9 +36,9 @@
     specify do
       expect(result).to eq(
         [
-          UmbrellioUtils::Jobs::Entry.new(:default, [[:q3, 10], [:q4, 1]], 1),
-          UmbrellioUtils::Jobs::Entry.new(:cap1, [[:q1, 1]], 3),
-          UmbrellioUtils::Jobs::Entry.new(:cap2, [[:q2, 5]], 6),
+          UmbrellioUtils::Jobs::Entry.new(:default, [["q3", 10], ["q4", 1]], 1),
+          UmbrellioUtils::Jobs::Entry.new(:cap1, [["q1", 1]], 3),
+          UmbrellioUtils::Jobs::Entry.new(:cap2, [["q2", 5]], 6),
         ],
       )
     end
@@ -49,7 +49,7 @@
       specify do
         expect(result).to eq(
           [
-            UmbrellioUtils::Jobs::Entry.new(:cap3, [[:q5, 1]], 10),
+            UmbrellioUtils::Jobs::Entry.new(:cap3, [["q5", 1]], 10),
           ],
         )
       end
@@ -80,13 +80,13 @@
     specify do
       jobs.configure_capsules!(config, priority_level: "default", max_concurrency: 10)
 
-      expect(capsule_default.queues).to eq([[:q3, 10], [:q4, 1]])
+      expect(capsule_default.queues).to eq([["q3", 10], ["q4", 1]])
       expect(capsule_default.concurrency).to eq(1)
 
-      expect(capsule_cap1.queues).to eq([[:q1, 1]])
+      expect(capsule_cap1.queues).to eq([["q1", 1]])
       expect(capsule_cap1.concurrency).to eq(3)
 
-      expect(capsule_cap2.queues).to eq([[:q2, 5]])
+      expect(capsule_cap2.queues).to eq([["q2", 5]])
       expect(capsule_cap2.concurrency).to eq(6)
     end
 
@@ -94,7 +94,7 @@
       specify do
         jobs.configure_capsules!(config, priority_level: "w1", max_concurrency: 10)
 
-        expect(capsule_default.queues).to eq([[:q5, 1]])
+        expect(capsule_default.queues).to eq([["q5", 1]])
         expect(capsule_default.concurrency).to eq(10)
 
         expect(capsule_cap1.queues).to eq(nil)