diff --git a/osbs/tekton.py b/osbs/tekton.py
index 593fd7f6..56a85776 100644
--- a/osbs/tekton.py
+++ b/osbs/tekton.py
@@ -600,15 +600,8 @@ def get_final_platforms(self):
             return None
 
         if 'platforms_result' in task_results['binary-container-prebuild']:
-            raw_result = task_results['binary-container-prebuild']['platforms_result']
-
-            try:
-                value = json.loads(raw_result)
-            # TypeError is returned when value is list
-            except (json.JSONDecodeError, TypeError):
-                value = raw_result
-
-            return value
+            platforms = json.loads(task_results['binary-container-prebuild']['platforms_result'])
+            return platforms['platforms']
 
         return None
 
diff --git a/tests/test_api.py b/tests/test_api.py
index 74db7aa6..95849bd7 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -1056,8 +1056,7 @@ def test_get_build_error_message(self, osbs_binary):
         assert error_msg == osbs_binary.get_build_error_message('run_name')
 
     @pytest.mark.parametrize('platforms_result', [
-        '["x86_64", "ppc64le"]',
-        ["x86_64", "ppc64le"],
+        '{"platforms": ["x86_64", "ppc64le"]}',
     ])
     def test_get_final_platforms(self, osbs_binary, platforms_result):
         taskruns = {'task1': {'status': {'conditions': [{'reason': 'Succeeded'}],
diff --git a/tests/test_tekton.py b/tests/test_tekton.py
index e0a09492..21c9ccff 100644
--- a/tests/test_tekton.py
+++ b/tests/test_tekton.py
@@ -894,7 +894,7 @@ def test_get_error_message(self, pipeline_run, get_json, error_lines):
                              'status': {'startTime': '2022-04-26T15:58:42Z',
                                         'conditions': [{'reason': 'Succeeded'}],
                                         'taskResults': [{'name': 'platforms_result',
-                                                         'value': []}]},
+                                                         'value': '{"platforms": []}'}]},
                          }
                      }}},
          []),
@@ -907,7 +907,8 @@ def test_get_error_message(self, pipeline_run, get_json, error_lines):
                              'status': {'startTime': '2022-04-26T15:58:42Z',
                                         'conditions': [{'reason': 'Succeeded'}],
                                         'taskResults': [{'name': 'platforms_result',
-                                                         'value': ["x86_64", "ppc64le"]}]},
+                                                         'value': '{"platforms": '
+                                                                  '["x86_64", "ppc64le"]}'}]},
                          }
                      }}},
          ["x86_64", "ppc64le"]),