diff --git a/plugins/amazonq/codewhisperer/jetbrains-community/tst/software/aws/toolkits/jetbrains/services/codewhisperer/CodeWhispererModelConfiguratorTest.kt b/plugins/amazonq/codewhisperer/jetbrains-community/tst/software/aws/toolkits/jetbrains/services/codewhisperer/CodeWhispererModelConfiguratorTest.kt
index efcc4011625..de3c11d6616 100644
--- a/plugins/amazonq/codewhisperer/jetbrains-community/tst/software/aws/toolkits/jetbrains/services/codewhisperer/CodeWhispererModelConfiguratorTest.kt
+++ b/plugins/amazonq/codewhisperer/jetbrains-community/tst/software/aws/toolkits/jetbrains/services/codewhisperer/CodeWhispererModelConfiguratorTest.kt
@@ -617,7 +617,7 @@ class CodeWhispererModelConfiguratorTest {
 
     @Ignore
     @Test
-    fun `should switch to default customization on profile changed`() {
+    fun `profile switch should keep using existing customization if new list still contains that arn`() {
         val ssoConn = spy(LegacyManagedBearerSsoConnection(region = "us-east-1", startUrl = "url 1", scopes = Q_SCOPES))
         ToolkitConnectionManager.getInstance(projectRule.project).switchConnection(ssoConn)
         val oldCustomization = CodeWhispererCustomization("oldArn", "oldName", "oldDescription")
@@ -634,7 +634,7 @@ class CodeWhispererModelConfiguratorTest {
             .syncPublisher(QRegionProfileSelectedListener.TOPIC)
             .onProfileSelected(projectRule.project, null)
 
-        assertThat(sut.activeCustomization(projectRule.project)).isEqualTo(null)
+        assertThat(sut.activeCustomization(projectRule.project)).isEqualTo(oldCustomization)
     }
 
     @Ignore
diff --git a/plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codewhisperer/customization/CodeWhispererModelConfigurator.kt b/plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codewhisperer/customization/CodeWhispererModelConfigurator.kt
index bfc6108c7aa..e968aaab481 100644
--- a/plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codewhisperer/customization/CodeWhispererModelConfigurator.kt
+++ b/plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codewhisperer/customization/CodeWhispererModelConfigurator.kt
@@ -90,7 +90,9 @@ class DefaultCodeWhispererModelConfigurator : CodeWhispererModelConfigurator, Pe
             QRegionProfileSelectedListener.TOPIC,
             object : QRegionProfileSelectedListener {
                 override fun onProfileSelected(project: Project, profile: QRegionProfile?) {
-                    switchCustomization(project, null)
+                    pluginAwareExecuteOnPooledThread {
+                        CodeWhispererModelConfigurator.getInstance().listCustomizations(project, passive = true)
+                    }
                 }
             }
         )