diff --git a/src/math/sqrtl.c b/src/math/sqrtl.c

index 1b9f19c7..0a8efb9f 100644

--- musl-1.2.2.orig/src/math/sqrtl.c

+++ musl-1.2.2/src/math/sqrtl.c

@@ -227,7 +227,7 @@ long double sqrtl(long double x)

 	r = mul64(u, r) << 1;

 	/* |r sqrt(m) - 1| < 0x1.c001p-59, switch to 128bit */

-	static const u128 threel = {.hi=three<<32, .lo=0};

+	static const u128 threel = {.hi=(uint64_t)0xc0000000<<32, .lo=0};

 	u128 rl, sl, dl, ul;

 	rl.hi = r;

 	rl.lo = 0;