diff --git a/internal/fnmatch/fnmatch.go b/internal/fnmatch/fnmatch.go
index d2a0b302..0882f30f 100644
--- a/internal/fnmatch/fnmatch.go
+++ b/internal/fnmatch/fnmatch.go
@@ -14,9 +14,9 @@ import (
 )
 
 const (
-	FNM_NOESCAPE = (1 << iota)
-	FNM_PATHNAME
-	FNM_CASEFOLD
+	NoEscape = (1 << iota)
+	PathName
+	CaseFold
 )
 
 func Convert(pattern string, flags int) (*regexp.Regexp, error) {
@@ -24,16 +24,16 @@ func Convert(pattern string, flags int) (*regexp.Regexp, error) {
 
 	switch runtime.GOOS {
 	case "windows":
-		flags |= FNM_NOESCAPE | FNM_CASEFOLD
+		flags |= NoEscape | CaseFold
 		pattern = filepath.FromSlash(pattern)
-		if flags&FNM_PATHNAME != 0 {
+		if flags&PathName != 0 {
 			any = "[^\\\\]"
 		}
 	case "darwin":
-		flags |= FNM_CASEFOLD
+		flags |= CaseFold
 		fallthrough
 	default:
-		if flags&FNM_PATHNAME != 0 {
+		if flags&PathName != 0 {
 			any = "[^/]"
 		}
 	}
@@ -41,11 +41,11 @@ func Convert(pattern string, flags int) (*regexp.Regexp, error) {
 	// Support case insensitive ignores
 	ignore := strings.TrimPrefix(pattern, "(?i)")
 	if ignore != pattern {
-		flags |= FNM_CASEFOLD
+		flags |= CaseFold
 		pattern = ignore
 	}
 
-	if flags&FNM_NOESCAPE != 0 {
+	if flags&NoEscape != 0 {
 		pattern = strings.Replace(pattern, "\\", "\\\\", -1)
 	} else {
 		pattern = strings.Replace(pattern, "\\*", "[:escapedstar:]", -1)
@@ -69,7 +69,7 @@ func Convert(pattern string, flags int) (*regexp.Regexp, error) {
 	pattern = strings.Replace(pattern, "[:escapeddot:]", "\\.", -1)
 
 	pattern = "^" + pattern + "$"
-	if flags&FNM_CASEFOLD != 0 {
+	if flags&CaseFold != 0 {
 		pattern = "(?i)" + pattern
 	}
 	return regexp.Compile(pattern)
diff --git a/internal/fnmatch/fnmatch_test.go b/internal/fnmatch/fnmatch_test.go
index cbba8634..07486e65 100644
--- a/internal/fnmatch/fnmatch_test.go
+++ b/internal/fnmatch/fnmatch_test.go
@@ -41,18 +41,18 @@ var testcases = []testcase{
 	{"f[ab]o.txt", "fco.txt", 0, false},
 	{"f[ab]o.txt", "fabo.txt", 0, false},
 	{"f[ab]o.txt", "f[ab]o.txt", 0, false},
-	{"f\\[ab\\]o.txt", "f[ab]o.txt", FNM_NOESCAPE, false},
+	{"f\\[ab\\]o.txt", "f[ab]o.txt", NoEscape, false},
 
 	{"*foo.txt", "bar/foo.txt", 0, true},
-	{"*foo.txt", "bar/foo.txt", FNM_PATHNAME, false},
+	{"*foo.txt", "bar/foo.txt", PathName, false},
 	{"*/foo.txt", "bar/foo.txt", 0, true},
-	{"*/foo.txt", "bar/foo.txt", FNM_PATHNAME, true},
+	{"*/foo.txt", "bar/foo.txt", PathName, true},
 	{"*/foo.txt", "bar/baz/foo.txt", 0, true},
-	{"*/foo.txt", "bar/baz/foo.txt", FNM_PATHNAME, false},
+	{"*/foo.txt", "bar/baz/foo.txt", PathName, false},
 	{"**/foo.txt", "bar/baz/foo.txt", 0, true},
-	{"**/foo.txt", "bar/baz/foo.txt", FNM_PATHNAME, true},
+	{"**/foo.txt", "bar/baz/foo.txt", PathName, true},
 
-	{"foo.txt", "foo.TXT", FNM_CASEFOLD, true},
+	{"foo.txt", "foo.TXT", CaseFold, true},
 	{"foo.txt", "foo.TXT", 0, false},
 	{"(?i)foo.txt", "foo.TXT", 0, true},
 
@@ -78,7 +78,7 @@ func TestMatch(t *testing.T) {
 		testcases = append(testcases, testcase{"f\\[ab\\]o.txt", "f[ab]o.txt", 0, true})
 		testcases = append(testcases, testcase{"foo\\.txt", "foo.txt", 0, true})
 		testcases = append(testcases, testcase{"foo\\*.txt", "foo*.txt", 0, true})
-		testcases = append(testcases, testcase{"foo\\.txt", "foo.txt", FNM_NOESCAPE, false})
+		testcases = append(testcases, testcase{"foo\\.txt", "foo.txt", NoEscape, false})
 		testcases = append(testcases, testcase{"f\\\\\\[ab\\\\\\]o.txt", "f\\[ab\\]o.txt", 0, true})
 	}
 
diff --git a/internal/ignore/ignore.go b/internal/ignore/ignore.go
index 6a9b343f..866d0a74 100644
--- a/internal/ignore/ignore.go
+++ b/internal/ignore/ignore.go
@@ -200,20 +200,20 @@ func parseIgnoreFile(fd io.Reader, currentFile string, seen map[string]bool) ([]
 
 		if strings.HasPrefix(line, "/") {
 			// Pattern is rooted in the current dir only
-			exp, err := fnmatch.Convert(line[1:], fnmatch.FNM_PATHNAME)
+			exp, err := fnmatch.Convert(line[1:], fnmatch.PathName)
 			if err != nil {
 				return fmt.Errorf("Invalid pattern %q in ignore file", line)
 			}
 			patterns = append(patterns, Pattern{exp, include})
 		} else if strings.HasPrefix(line, "**/") {
 			// Add the pattern as is, and without **/ so it matches in current dir
-			exp, err := fnmatch.Convert(line, fnmatch.FNM_PATHNAME)
+			exp, err := fnmatch.Convert(line, fnmatch.PathName)
 			if err != nil {
 				return fmt.Errorf("Invalid pattern %q in ignore file", line)
 			}
 			patterns = append(patterns, Pattern{exp, include})
 
-			exp, err = fnmatch.Convert(line[3:], fnmatch.FNM_PATHNAME)
+			exp, err = fnmatch.Convert(line[3:], fnmatch.PathName)
 			if err != nil {
 				return fmt.Errorf("Invalid pattern %q in ignore file", line)
 			}
@@ -228,13 +228,13 @@ func parseIgnoreFile(fd io.Reader, currentFile string, seen map[string]bool) ([]
 		} else {
 			// Path name or pattern, add it so it matches files both in
 			// current directory and subdirs.
-			exp, err := fnmatch.Convert(line, fnmatch.FNM_PATHNAME)
+			exp, err := fnmatch.Convert(line, fnmatch.PathName)
 			if err != nil {
 				return fmt.Errorf("Invalid pattern %q in ignore file", line)
 			}
 			patterns = append(patterns, Pattern{exp, include})
 
-			exp, err = fnmatch.Convert("**/"+line, fnmatch.FNM_PATHNAME)
+			exp, err = fnmatch.Convert("**/"+line, fnmatch.PathName)
 			if err != nil {
 				return fmt.Errorf("Invalid pattern %q in ignore file", line)
 			}