diff --git a/commander.go b/commander.go
index 391f34a..72e60b2 100644
--- a/commander.go
+++ b/commander.go
@@ -33,7 +33,7 @@ func (c DefaultCommander) Exec(cmd *exec.Cmd) (string, error) {
 	output, err := cmd.CombinedOutput()
 	if err != nil {
 		if c.logger != nil {
-			c.logger.Println(err)
+			c.logger.Println(err, string(output))
 		}
 		return "", &ShellError{strings.Join(cmd.Args, " "), err}
 	}
diff --git a/options.go b/options.go
index 658072d..d24aa34 100644
--- a/options.go
+++ b/options.go
@@ -136,12 +136,6 @@ func ParseOptions(argv []string) (*Options, error) {
 		return nil, err
 	}
 
-	// If config file flag is not set, and env is, use the env
-	val, ok := os.LookupEnv("SMUG_SESSION_CONFIG_PATH")
-	if *config == "" && ok {
-		*config = val
-	}
-
 	var project string
 	if *config == "" {
 		if errors.Is(cmdErr, ErrCommandNotFound) {
@@ -151,6 +145,12 @@ func ParseOptions(argv []string) (*Options, error) {
 		}
 	}
 
+	// If config file flag is not set, and env is, use the env
+	val, ok := os.LookupEnv("SMUG_SESSION_CONFIG_PATH")
+	if *config == "" && project == "" && ok {
+		*config = val
+	}
+
 	if strings.Contains(project, ":") {
 		parts := strings.Split(project, ":")
 		project = parts[0]
diff --git a/options_test.go b/options_test.go
index 054c70c..33b7387 100644
--- a/options_test.go
+++ b/options_test.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"errors"
+	"os"
 	"reflect"
 	"testing"
 )
@@ -10,6 +11,7 @@ var usageTestTable = []struct {
 	argv []string
 	opts Options
 	err  error
+	env  map[string]string
 }{
 	{
 		[]string{"start", "smug"},
@@ -24,6 +26,7 @@ var usageTestTable = []struct {
 			Settings: map[string]string{},
 		},
 		nil,
+		nil,
 	},
 	{
 		[]string{"start", "smug", "-w", "foo"},
@@ -38,6 +41,7 @@ var usageTestTable = []struct {
 			Settings: map[string]string{},
 		},
 		nil,
+		nil,
 	},
 	{
 		[]string{"start", "smug:foo,bar"},
@@ -52,6 +56,7 @@ var usageTestTable = []struct {
 			Settings: map[string]string{},
 		},
 		nil,
+		nil,
 	},
 	{
 		[]string{"start", "smug", "--attach", "--debug", "--detach"},
@@ -66,6 +71,7 @@ var usageTestTable = []struct {
 			Settings: map[string]string{},
 		},
 		nil,
+		nil,
 	},
 	{
 		[]string{"start", "smug", "-ad"},
@@ -80,6 +86,7 @@ var usageTestTable = []struct {
 			Settings: map[string]string{},
 		},
 		nil,
+		nil,
 	},
 	{
 		[]string{"start", "-f", "test.yml"},
@@ -94,6 +101,7 @@ var usageTestTable = []struct {
 			Settings: map[string]string{},
 		},
 		nil,
+		nil,
 	},
 	{
 		[]string{"start", "-f", "test.yml", "-w", "win1", "-w", "win2"},
@@ -108,6 +116,7 @@ var usageTestTable = []struct {
 			Settings: map[string]string{},
 		},
 		nil,
+		nil,
 	},
 	{
 		[]string{"start", "project", "a=b", "x=y"},
@@ -125,6 +134,7 @@ var usageTestTable = []struct {
 			},
 		},
 		nil,
+		nil,
 	},
 	{
 		[]string{"start", "-f", "test.yml", "a=b", "x=y"},
@@ -142,6 +152,7 @@ var usageTestTable = []struct {
 			},
 		},
 		nil,
+		nil,
 	},
 	{
 		[]string{"start", "-f", "test.yml", "-w", "win1", "-w", "win2", "a=b", "x=y"},
@@ -159,11 +170,13 @@ var usageTestTable = []struct {
 			},
 		},
 		nil,
+		nil,
 	},
 	{
 		[]string{"start", "--help"},
 		Options{},
 		ErrHelp,
+		nil,
 	},
 	{
 		[]string{"test"},
@@ -174,6 +187,7 @@ var usageTestTable = []struct {
 			Settings: map[string]string{},
 		},
 		nil,
+		nil,
 	},
 	{
 		[]string{"test", "-w", "win1", "-w", "win2", "a=b", "x=y"},
@@ -184,26 +198,47 @@ var usageTestTable = []struct {
 			Settings: map[string]string{"a": "b", "x": "y"},
 		},
 		nil,
+		nil,
+	},
+	{
+		[]string{"test"},
+		Options{
+			Command:  "start",
+			Project:  "test",
+			Config:   "",
+			Windows:  []string{},
+			Settings: map[string]string{},
+		},
+		nil,
+		map[string]string{
+			"SMUG_SESSION_CONFIG_PATH": "test",
+		},
 	},
 	{
 		[]string{},
 		Options{},
 		ErrHelp,
+		nil,
 	},
 	{
 		[]string{"--help"},
 		Options{},
 		ErrHelp,
+		nil,
 	},
 	{
 		[]string{"start", "--test"},
 		Options{},
 		errors.New("unknown flag: --test"),
+		nil,
 	},
 }
 
 func TestParseOptions(t *testing.T) {
 	for _, v := range usageTestTable {
+		for k, v := range v.env {
+			os.Setenv(k, v)
+		}
 		opts, err := ParseOptions(v.argv)
 		if v.err != nil && err != nil && err.Error() != v.err.Error() {
 			t.Errorf("expected error %v, got %v", v.err, err)