diff --git a/.changes/8e7992a3-5add-4fc4-987f-c8bd0c6ef405.json b/.changes/8e7992a3-5add-4fc4-987f-c8bd0c6ef405.json
new file mode 100644
index 00000000000..c9fce11bbbd
--- /dev/null
+++ b/.changes/8e7992a3-5add-4fc4-987f-c8bd0c6ef405.json
@@ -0,0 +1,5 @@
+{
+    "id": "8e7992a3-5add-4fc4-987f-c8bd0c6ef405",
+    "type": "bugfix",
+    "description": "Fix an issue where sections were not properly divided when parsing the config file"
+}
diff --git a/aws-runtime/aws-config/common/src/aws/sdk/kotlin/runtime/config/profile/AwsConfigParser.kt b/aws-runtime/aws-config/common/src/aws/sdk/kotlin/runtime/config/profile/AwsConfigParser.kt
index 6b900f045bb..54afcd1b2ff 100644
--- a/aws-runtime/aws-config/common/src/aws/sdk/kotlin/runtime/config/profile/AwsConfigParser.kt
+++ b/aws-runtime/aws-config/common/src/aws/sdk/kotlin/runtime/config/profile/AwsConfigParser.kt
@@ -169,7 +169,7 @@ private fun mergeSections(tokenIndexMap: Map<Token.Section, Map<String, AwsConfi
             when (entry.key.hasSectionPrefix) {
                 true -> true
                 false -> {
-                    val prefixVariantExists = tokenIndexMap.keys.any { it.hasSectionPrefix && it.name == entry.key.name }
+                    val prefixVariantExists = tokenIndexMap.keys.any { it.hasSectionPrefix && it.name == entry.key.name && it.type == entry.key.type }
                     !prefixVariantExists
                 }
             }
diff --git a/aws-runtime/aws-config/common/test/aws/sdk/kotlin/runtime/config/profile/SpecTestSuites.kt b/aws-runtime/aws-config/common/test/aws/sdk/kotlin/runtime/config/profile/SpecTestSuites.kt
index 05faed81aa3..e7b30a8134d 100644
--- a/aws-runtime/aws-config/common/test/aws/sdk/kotlin/runtime/config/profile/SpecTestSuites.kt
+++ b/aws-runtime/aws-config/common/test/aws/sdk/kotlin/runtime/config/profile/SpecTestSuites.kt
@@ -819,6 +819,24 @@ internal const val parserTestSuiteJson = """
           }
         }
       }
+    },
+    {
+      "name": "SSO Session in config file with same name as default profile",
+      "input": {
+        "configFile": "[default]\nname = profile-default\n[sso-session default]\nname = sso-session-default"
+      },
+      "output": {
+        "profiles": {
+          "default": {
+            "name": "profile-default"
+          }
+        },
+        "sso-sessions": {
+            "default": {
+                "name": "sso-session-default"
+            }
+        }
+      }
     }
   ]
 }