diff --git a/lib/std/c/dragonfly.zig b/lib/std/c/dragonfly.zig
index ca9a8b847f..82e50a5002 100644
--- a/lib/std/c/dragonfly.zig
+++ b/lib/std/c/dragonfly.zig
@@ -204,7 +204,7 @@ pub const W = struct {
         return TERMSIG(s) == 0;
     }
     pub fn IFSTOPPED(s: u32) bool {
-        return @intCast(u16, (((s & 0xffff) *% 0x10001) >> 8)) > 0x7f00;
+        return @truncate(u16, (((s & 0xffff) *% 0x10001) >> 8)) > 0x7f00;
     }
     pub fn IFSIGNALED(s: u32) bool {
         return (s & 0xffff) -% 1 < 0xff;
diff --git a/lib/std/c/freebsd.zig b/lib/std/c/freebsd.zig
index 1d0812ccd4..f65af3f915 100644
--- a/lib/std/c/freebsd.zig
+++ b/lib/std/c/freebsd.zig
@@ -431,7 +431,7 @@ pub const W = struct {
         return TERMSIG(s) == 0;
     }
     pub fn IFSTOPPED(s: u32) bool {
-        return @intCast(u16, (((s & 0xffff) *% 0x10001) >> 8)) > 0x7f00;
+        return @truncate(u16, (((s & 0xffff) *% 0x10001) >> 8)) > 0x7f00;
     }
     pub fn IFSIGNALED(s: u32) bool {
         return (s & 0xffff) -% 1 < 0xff;
diff --git a/lib/std/os/linux.zig b/lib/std/os/linux.zig
index adce478cb8..c4309e288d 100644
--- a/lib/std/os/linux.zig
+++ b/lib/std/os/linux.zig
@@ -1788,7 +1788,7 @@ pub const W = struct {
         return TERMSIG(s) == 0;
     }
     pub fn IFSTOPPED(s: u32) bool {
-        return @intCast(u16, ((s & 0xffff) *% 0x10001) >> 8) > 0x7f00;
+        return @truncate(u16, ((s & 0xffff) *% 0x10001) >> 8) > 0x7f00;
     }
     pub fn IFSIGNALED(s: u32) bool {
         return (s & 0xffff) -% 1 < 0xff;