diff --git a/sysdeps/ieee754/ldbl-opt/s_finite.c b/sysdeps/ieee754/ldbl-opt/s_finite.c
index 7d3ab0068d..85ad5e625a 100644
--- a/sysdeps/ieee754/ldbl-opt/s_finite.c
+++ b/sysdeps/ieee754/ldbl-opt/s_finite.c
@@ -1,5 +1,10 @@
+#include <limits.h>
 #include <math_ldbl_opt.h>
+#if __WORDSIZE == 64
+#include <sysdeps/ieee754/dbl-64/wordsize-64/s_finite.c>
+#else
 #include <sysdeps/ieee754/dbl-64/s_finite.c>
+#endif
 weak_alias (__finite, ___finite)
 #if IS_IN (libm)
 # if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
diff --git a/sysdeps/ieee754/ldbl-opt/s_isinf.c b/sysdeps/ieee754/ldbl-opt/s_isinf.c
index 1f760a0320..da5dc01601 100644
--- a/sysdeps/ieee754/ldbl-opt/s_isinf.c
+++ b/sysdeps/ieee754/ldbl-opt/s_isinf.c
@@ -1,5 +1,10 @@
+#include <limits.h>
 #include <math_ldbl_opt.h>
+#if __WORDSIZE == 64
+#include <sysdeps/ieee754/dbl-64/wordsize-64/s_isinf.c>
+#else
 #include <sysdeps/ieee754/dbl-64/s_isinf.c>
+#endif
 #if !IS_IN (libm)
 # if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
 compat_symbol (libc, __isinf, __isinfl, GLIBC_2_0);
diff --git a/sysdeps/ieee754/ldbl-opt/s_isnan.c b/sysdeps/ieee754/ldbl-opt/s_isnan.c
index 33f57f1955..99ee75ce34 100644
--- a/sysdeps/ieee754/ldbl-opt/s_isnan.c
+++ b/sysdeps/ieee754/ldbl-opt/s_isnan.c
@@ -1,5 +1,10 @@
+#include <limits.h>
 #include <math_ldbl_opt.h>
+#if __WORDSIZE == 64
+#include <sysdeps/ieee754/dbl-64/wordsize-64/s_isnan.c>
+#else
 #include <sysdeps/ieee754/dbl-64/s_isnan.c>
+#endif
 #if !IS_IN (libm)
 # if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
 compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);