diff --git a/libc/upstream-openbsd/android/include/gd_qnan.h b/libc/upstream-openbsd/android/include/gd_qnan.h
index e8e907b..e5bf973 100644
--- a/libc/upstream-openbsd/android/include/gd_qnan.h
+++ b/libc/upstream-openbsd/android/include/gd_qnan.h
@@ -14,35 +14,20 @@
  * limitations under the License.
  */
 
-#if __arm__
+//
+// The values in this file came from reading the bits of <math.h>'s NAN back from a union.
+//
 
-#define f_QNAN  0xffffffff
-
-#define d_QNAN0 0xffffffff
-#define d_QNAN1 0xffffffff
-
-#elif __mips__
-
-#define f_QNAN  0x7fbfffff
-
-#define d_QNAN0 0x7ff7ffff
-#define d_QNAN1 0xffffffff
-
-#else
-
-#define f_QNAN  0xffc00000
+#define f_QNAN 0x7fc00000
 
 #define d_QNAN0 0x00000000
-#define d_QNAN1 0xfff80000
+#define d_QNAN1 0x7ff80000
 
-#endif
-
-/* long double. */
 #if __LP64__
-#define ld_QNAN0 0x7fff8000
+#define ld_QNAN0 0x00000000
 #define ld_QNAN1 0x00000000
 #define ld_QNAN2 0x00000000
-#define ld_QNAN3 0x00000000
+#define ld_QNAN3 0x7fff8000
 #else
-/* sizeof(long double) == sizeof(double), so we shouldn't be trying to use these constants. */
+// LP32 sizeof(long double) == sizeof(double), so LP32 shouldn't try to use these constants.
 #endif