diff --git a/modules/net-lb-ext/health-check.tf b/modules/net-lb-ext/health-check.tf
index c7befbc50d..d5208f08ab 100644
--- a/modules/net-lb-ext/health-check.tf
+++ b/modules/net-lb-ext/health-check.tf
@@ -18,7 +18,7 @@
 
 locals {
   hc = (
-    var.health_check == null ? null : var.health_check_config
+    var.health_check != null ? null : var.health_check_config
   )
   hc_grpc  = try(local.hc.grpc, null) != null
   hc_http  = try(local.hc.http, null) != null
diff --git a/modules/net-lb-int/health-check.tf b/modules/net-lb-int/health-check.tf
index 754ff6369f..4f5af03e79 100644
--- a/modules/net-lb-int/health-check.tf
+++ b/modules/net-lb-int/health-check.tf
@@ -18,7 +18,7 @@
 
 locals {
   hc = (
-    var.health_check == null ? null : var.health_check_config
+    var.health_check != null ? null : var.health_check_config
   )
   hc_grpc  = try(local.hc.grpc, null) != null
   hc_http  = try(local.hc.http, null) != null
diff --git a/modules/net-lb-proxy-int/health-check.tf b/modules/net-lb-proxy-int/health-check.tf
index d27412cff9..5ec01c255e 100644
--- a/modules/net-lb-proxy-int/health-check.tf
+++ b/modules/net-lb-proxy-int/health-check.tf
@@ -18,7 +18,7 @@
 
 locals {
   hc = (
-    var.health_check == null ? null : var.health_check_config
+    var.health_check != null ? null : var.health_check_config
   )
   hc_grpc  = try(local.hc.grpc, null) != null
   hc_http  = try(local.hc.http, null) != null