diff --git a/builder/azure/arm/config.go b/builder/azure/arm/config.go
index ed088b489..6a659988b 100644
--- a/builder/azure/arm/config.go
+++ b/builder/azure/arm/config.go
@@ -245,7 +245,7 @@ type Config struct {
 	// containing a key and a value field. In HCL2 mode the
 	// [`dynamic_block`](https://packer.io/docs/configuration/from-1.5/expressions.html#dynamic-blocks)
 	// will allow you to create those programatically.
-	AzureTag []hcl2template.KeyValues `mapstructure:"azure_tag" required:"false"`
+	AzureTag hcl2template.KeyValues `mapstructure:"azure_tag" required:"false"`
 	// Resource group under which the final artifact will be stored.
 	ResourceGroupName string `mapstructure:"resource_group_name"`
 	// Storage account under which the final artifact will be stored.
diff --git a/builder/hyperone/config.go b/builder/hyperone/config.go
index 07082f886..e19c4abdd 100644
--- a/builder/hyperone/config.go
+++ b/builder/hyperone/config.go
@@ -67,7 +67,7 @@ type Config struct {
 	// containing a key and a value field. In HCL2 mode the
 	// [`dynamic_block`](https://packer.io/docs/configuration/from-1.5/expressions.html#dynamic-blocks)
 	// will allow you to create those programatically.
-	ImageTag []hcl2template.KeyValues `mapstructure:"image_tag" required:"false"`
+	ImageTag hcl2template.KeyValues `mapstructure:"image_tag" required:"false"`
 	// The service of the resulting image.
 	ImageService string `mapstructure:"image_service" required:"false"`
 	// ID or name of the type this server should be created with.
@@ -81,7 +81,7 @@ type Config struct {
 	// a key and a value field. In HCL2 mode the
 	// [`dynamic_block`](https://packer.io/docs/configuration/from-1.5/expressions.html#dynamic-blocks)
 	// will allow you to create those programatically.
-	VmTag []hcl2template.KeyValues `mapstructure:"vm_tag" required:"false"`
+	VmTag hcl2template.KeyValues `mapstructure:"vm_tag" required:"false"`
 	// The name of the created disk.
 	DiskName string `mapstructure:"disk_name" required:"false"`
 	// The type of the created disk. Defaults to ssd.
diff --git a/builder/tencentcloud/cvm/run_config.go b/builder/tencentcloud/cvm/run_config.go
index 96fe7956a..f1f840568 100644
--- a/builder/tencentcloud/cvm/run_config.go
+++ b/builder/tencentcloud/cvm/run_config.go
@@ -88,7 +88,7 @@ type TencentCloudRunConfig struct {
 	// containing a key and a value field. In HCL2 mode the
 	// [`dynamic_block`](https://packer.io/docs/configuration/from-1.5/expressions.html#dynamic-blocks)
 	// will allow you to create those programatically.
-	RunTag []hcl2template.KeyValues `mapstructure:"run_tag" required:"false"`
+	RunTag hcl2template.KeyValues `mapstructure:"run_tag" required:"false"`
 
 	// Communicator settings
 	Comm         communicator.Config `mapstructure:",squash"`
diff --git a/builder/triton/source_machine_config.go b/builder/triton/source_machine_config.go
index 385690c53..de370f779 100644
--- a/builder/triton/source_machine_config.go
+++ b/builder/triton/source_machine_config.go
@@ -59,7 +59,7 @@ type SourceMachineConfig struct {
 	// singular block containing a key and a value field. In HCL2 mode the
 	// [`dynamic_block`](https://packer.io/docs/configuration/from-1.5/expressions.html#dynamic-blocks)
 	// will allow you to create those programatically.
-	MachineTag []hcl2template.KeyValues `mapstructure:"source_machine_tag" required:"false"`
+	MachineTag hcl2template.KeyValues `mapstructure:"source_machine_tag" required:"false"`
 	// Whether or not the firewall
 	// of the VM used to create an image of is enabled. The Triton firewall only
 	// filters inbound traffic to the VM. All outbound traffic is always allowed.
diff --git a/builder/triton/target_image_config.go b/builder/triton/target_image_config.go
index 1e545ec75..5b18854b4 100644
--- a/builder/triton/target_image_config.go
+++ b/builder/triton/target_image_config.go
@@ -41,7 +41,7 @@ type TargetImageConfig struct {
 	// containing a key and a value field. In HCL2 mode the
 	// [`dynamic_block`](https://packer.io/docs/configuration/from-1.5/expressions.html#dynamic-blocks)
 	// will allow you to create those programatically.
-	ImageTag []hcl2template.KeyValues `mapstructure:"image_tag" required:"false"`
+	ImageTag hcl2template.KeyValues `mapstructure:"image_tag" required:"false"`
 }
 
 // Prepare performs basic validation on a TargetImageConfig struct.