diff --git a/builder/parallels/iso/builder.go b/builder/parallels/iso/builder.go
index 4a75b0b47..6b731544d 100644
--- a/builder/parallels/iso/builder.go
+++ b/builder/parallels/iso/builder.go
@@ -64,7 +64,7 @@ func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
 			Exclude: []string{
 				"boot_command",
 				"prlctl",
-				"parallel_tools_guest_path",
+				"parallels_tools_guest_path",
 			},
 		},
 	}, raws...)
diff --git a/builder/parallels/pvm/config.go b/builder/parallels/pvm/config.go
index f03584bf2..89c3ec1f9 100644
--- a/builder/parallels/pvm/config.go
+++ b/builder/parallels/pvm/config.go
@@ -41,7 +41,7 @@ func NewConfig(raws ...interface{}) (*Config, []string, error) {
 			Exclude: []string{
 				"boot_command",
 				"prlctl",
-				"parallel_tools_guest_path",
+				"parallels_tools_guest_path",
 			},
 		},
 	}, raws...)