diff --git a/pkg/configfilearg/parser.go b/pkg/configfilearg/parser.go
index 600e56f413..4533fcac8a 100644
--- a/pkg/configfilearg/parser.go
+++ b/pkg/configfilearg/parser.go
@@ -104,15 +104,11 @@ func readConfigFile(file string) (result []string, _ error) {
 
 		if slice, ok := v.([]interface{}); ok {
 			for _, v := range slice {
-				result = append(result, prefix+k, convert.ToString(v))
-				result = append(result)
+				result = append(result, prefix+k+"="+convert.ToString(v))
 			}
 		} else {
 			str := convert.ToString(v)
-			result = append(result, prefix+k)
-			if str != "" {
-				result = append(result, str)
-			}
+			result = append(result, prefix+k+"="+str)
 		}
 	}
 
diff --git a/pkg/configfilearg/parser_test.go b/pkg/configfilearg/parser_test.go
index 47145e1daa..675a53f68a 100644
--- a/pkg/configfilearg/parser_test.go
+++ b/pkg/configfilearg/parser_test.go
@@ -150,14 +150,15 @@ func TestConfigFile(t *testing.T) {
 
 func TestParse(t *testing.T) {
 	testDataOutput := []string{
-		"--foo-bar", "baz",
-		"--a-slice", "1",
-		"--a-slice", "2",
-		"--a-slice", "",
-		"--a-slice", "three",
-		"--isempty",
-		"-c", "b",
-		"--islast", "true",
+		"--foo-bar=baz",
+		"--a-slice=1",
+		"--a-slice=2",
+		"--a-slice=",
+		"--a-slice=three",
+		"--isempty=",
+		"-c=b",
+		"--isfalse=false",
+		"--islast=true",
 	}
 
 	defParser := Parser{
diff --git a/pkg/configfilearg/testdata/data.yaml b/pkg/configfilearg/testdata/data.yaml
index 61910e4d1a..35105341ad 100644
--- a/pkg/configfilearg/testdata/data.yaml
+++ b/pkg/configfilearg/testdata/data.yaml
@@ -6,4 +6,5 @@ a-slice:
 - three
 isempty:
 c: b
+isfalse: false
 islast: true
\ No newline at end of file