diff --git a/src/auth.zig b/src/auth.zig
index f9bc28d..4fc46b5 100644
--- a/src/auth.zig
+++ b/src/auth.zig
@@ -477,8 +477,8 @@ fn addUtmpEntry(entry: *Utmp, username: [*:0]const u8, pid: c_int) !void {
     host[0] = 0;
     entry.ut_host = host;
 
-    var tv: std.c.timeval = undefined;
-    _ = std.c.gettimeofday(&tv, null);
+    var tv: interop.system_time.timeval = undefined;
+    _ = interop.system_time.gettimeofday(&tv, null);
 
     entry.ut_tv = .{
         .tv_sec = @intCast(tv.tv_sec),
diff --git a/src/bigclock.zig b/src/bigclock.zig
index cfe61f5..bcae4ed 100644
--- a/src/bigclock.zig
+++ b/src/bigclock.zig
@@ -102,8 +102,8 @@ const E = [_]u21{
 pub fn clockCell(animate: bool, char: u8, fg: u16, bg: u16) [SIZE]termbox.tb_cell {
     var cells: [SIZE]termbox.tb_cell = undefined;
 
-    var tv: std.c.timeval = undefined;
-    _ = std.c.gettimeofday(&tv, null);
+    var tv: interop.system_time.timeval = undefined;
+    _ = interop.system_time.gettimeofday(&tv, null);
 
     const clock_chars = toBigNumber(if (animate and char == ':' and @divTrunc(tv.tv_usec, 500000) != 0) ' ' else char);
     for (0..cells.len) |i| cells[i] = utils.initCell(clock_chars[i], fg, bg);
diff --git a/src/interop.zig b/src/interop.zig
index 882c375..e2f4ea4 100644
--- a/src/interop.zig
+++ b/src/interop.zig
@@ -25,6 +25,10 @@ pub const time = @cImport({
     @cInclude("time.h");
 });
 
+pub const system_time = @cImport({
+    @cInclude("sys/time.h");
+});
+
 pub const stdlib = @cImport({
     @cInclude("stdlib.h");
 });
diff --git a/src/main.zig b/src/main.zig
index 1f0b0e8..fe4f9ac 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -67,8 +67,8 @@ pub fn main() !void {
 
     // to be able to stop the animation after some time
 
-    var tv_zero: std.c.timeval = undefined;
-    _ = std.c.gettimeofday(&tv_zero, null);
+    var tv_zero: interop.system_time.timeval = undefined;
+    _ = interop.system_time.gettimeofday(&tv_zero, null);
     var animation_timed_out: bool = false;
 
     const allocator = gpa.allocator();
@@ -545,8 +545,8 @@ pub fn main() !void {
             timeout = config.min_refresh_delta;
 
             // check how long we have been running so we can turn off the animation
-            var tv: std.c.timeval = undefined;
-            _ = std.c.gettimeofday(&tv, null);
+            var tv: interop.system_time.timeval = undefined;
+            _ = interop.system_time.gettimeofday(&tv, null);
 
             if (config.animation_timeout_sec > 0 and tv.tv_sec - tv_zero.tv_sec > config.animation_timeout_sec) {
                 animation_timed_out = true;
@@ -557,13 +557,13 @@ pub fn main() !void {
                 }
             }
         } else if (config.bigclock and config.clock == null) {
-            var tv: std.c.timeval = undefined;
-            _ = std.c.gettimeofday(&tv, null);
+            var tv: interop.system_time.timeval = undefined;
+            _ = interop.system_time.gettimeofday(&tv, null);
 
             timeout = @intCast((60 - @rem(tv.tv_sec, 60)) * 1000 - @divTrunc(tv.tv_usec, 1000) + 1);
         } else if (config.clock != null or auth_fails >= 10) {
-            var tv: std.c.timeval = undefined;
-            _ = std.c.gettimeofday(&tv, null);
+            var tv: interop.system_time.timeval = undefined;
+            _ = interop.system_time.gettimeofday(&tv, null);
 
             timeout = @intCast(1000 - @divTrunc(tv.tv_usec, 1000) + 1);
         }