diff --git a/libc/src/__support/FPUtil/generic/sqrt.h b/libc/src/__support/FPUtil/generic/sqrt.h
--- a/libc/src/__support/FPUtil/generic/sqrt.h
+++ b/libc/src/__support/FPUtil/generic/sqrt.h
@@ -9,7 +9,6 @@
 #ifndef LLVM_LIBC_SRC_SUPPORT_FPUTIL_GENERIC_SQRT_H
 #define LLVM_LIBC_SRC_SUPPORT_FPUTIL_GENERIC_SQRT_H
 
-#include "sqrt_80_bit_long_double.h"
 #include "src/__support/CPP/TypeTraits.h"
 #include "src/__support/FPUtil/FEnvImpl.h"
 #include "src/__support/FPUtil/FPBits.h"
@@ -21,6 +20,8 @@
 namespace internal {
 
 #if defined(SPECIAL_X86_LONG_DOUBLE)
+#include "sqrt_80_bit_long_double.h"
+
 struct SpecialLongDouble {
   static constexpr bool VALUE = true;
 };