diff --git a/src/macos/system.zig b/src/macos/system.zig
index f7c8857..980e8fa 100644
--- a/src/macos/system.zig
+++ b/src/macos/system.zig
@@ -33,7 +33,9 @@ pub fn getHostname(allocator: std.mem.Allocator) ![]u8 {
 }
 
 pub fn getLocale(allocator: std.mem.Allocator) ![]u8 {
-    const locale = try std.process.getEnvVarOwned(allocator, "LANG");
+    const locale = std.process.getEnvVarOwned(allocator, "LANG") catch |err| if (err == error.EnvironmentVariableNotFound) {
+        return allocator.dupe(u8, "Unknown");
+    } else return err;
     return locale;
 }
 
diff --git a/src/macos/user.zig b/src/macos/user.zig
index 82a8372..34abd0f 100644
--- a/src/macos/user.zig
+++ b/src/macos/user.zig
@@ -27,6 +27,8 @@ pub fn getShell(allocator: std.mem.Allocator) ![]u8 {
 }
 
 pub fn getTerminalName(allocator: std.mem.Allocator) ![]u8 {
-    const term_progrm = try std.process.getEnvVarOwned(allocator, "TERM_PROGRAM");
+    const term_progrm = std.process.getEnvVarOwned(allocator, "TERM_PROGRAM") catch |err| if (err == error.EnvironmentVariableNotFound) {
+        return allocator.dupe(u8, "Unknown");
+    } else return err;
     return term_progrm;
 }