diff --git a/command/build.go b/command/build.go
index a05eac662..4602f28c1 100644
--- a/command/build.go
+++ b/command/build.go
@@ -153,13 +153,12 @@ func (c *BuildCommand) Run(args []string) int {
 		m map[string][]packer.Artifact
 	}{m: make(map[string][]packer.Artifact)}
 	errors := make(map[string]error)
-	// ctx := context.Background()
-	if cfgParallel == false {
-		cfgParallelBuilds = 1
-	}
 	if cfgParallelBuilds < 1 {
 		cfgParallelBuilds = math.MaxInt64
 	}
+	if cfgParallel == false && cfgParallelBuilds == 0 {
+		cfgParallelBuilds = 1
+	}
 
 	buildCtx, cancelCtx := context.WithCancel(context.Background())
 	// Handle interrupts for this build