diff --git a/dev-infrastructure/configurations/region.tmpl.bicepparam b/dev-infrastructure/configurations/region.tmpl.bicepparam
index 3b78df99f..ef6e395bc 100644
--- a/dev-infrastructure/configurations/region.tmpl.bicepparam
+++ b/dev-infrastructure/configurations/region.tmpl.bicepparam
@@ -9,4 +9,4 @@ param regionalDNSSubdomain = '{{ .regionalDNSSubdomain }}'
 param maestroKeyVaultName = '{{ .maestro.keyVaultName }}'
 param maestroEventGridNamespacesName = '{{ .maestro.eventGrid.name }}'
 param maestroEventGridMaxClientSessionsPerAuthName = {{ .maestro.eventGrid.maxClientSessionsPerAuthName }}
-param maestroEventGridMinimumTlsVersionAllowed = {{ .maestro.eventGrid.minimumTlsVersionAllowed }}
+param maestroEventGridMinimumTlsVersionAllowed = '{{ .maestro.eventGrid.minimumTlsVersionAllowed }}'
diff --git a/dev-infrastructure/templates/region.bicep b/dev-infrastructure/templates/region.bicep
index 924c65227..256ce75ab 100644
--- a/dev-infrastructure/templates/region.bicep
+++ b/dev-infrastructure/templates/region.bicep
@@ -70,6 +70,6 @@ module maestroInfra '../modules/maestro/maestro-infra.bicep' = {
     maestroKeyVaultName: maestroKeyVaultName
     kvCertOfficerManagedIdentityName: maestroKeyVaultCertOfficerMSIName
     publicNetworkAccess: 'Enabled'
-    minimumTlsVersionAllowed: eventGridMinimumTlsVersionAllowed
+    minimumTlsVersionAllowed: maestroEventGridMinimumTlsVersionAllowed
   }
 }