diff --git a/vlib/os/os.v b/vlib/os/os.v
index b942b3437a..d2b935dac4 100644
--- a/vlib/os/os.v
+++ b/vlib/os/os.v
@@ -317,9 +317,6 @@ pub fn get_raw_lines_joined() string {
 // user_os returns current user operating system name.
 pub fn user_os() string {
 	$if linux {
-		if getenv('TERMUX_VERSION') != '' {
-			return 'termux'
-		}
 		return 'linux'
 	}
 	$if macos {
@@ -358,6 +355,9 @@ pub fn user_os() string {
 	$if vinix {
 		return 'vinix'
 	}
+	if getenv('TERMUX_VERSION') != '' {
+		return 'termux'
+	}
 	return 'unknown'
 }
 
diff --git a/vlib/v/ast/cflags.v b/vlib/v/ast/cflags.v
index 4543cac0f8..5f0be4cfec 100644
--- a/vlib/v/ast/cflags.v
+++ b/vlib/v/ast/cflags.v
@@ -26,7 +26,7 @@ pub fn (mut t Table) parse_cflag(cflg string, mod string, ctimedefines []string)
 	}
 	mut fos := ''
 	mut allowed_os_overrides := ['linux', 'darwin', 'freebsd', 'openbsd', 'windows', 'mingw',
-		'solaris']
+		'solaris', 'android', 'termux']
 	allowed_os_overrides << ctimedefines
 	for os_override in allowed_os_overrides {
 		if !flag.starts_with(os_override) {