diff --git a/contrib/compiler-rt/lib/builtins/fixunssfti.c b/contrib/compiler-rt/lib/builtins/fixunssfti.c
index 9593153745c5..862d7bd6c7af 100644
--- a/contrib/compiler-rt/lib/builtins/fixunssfti.c
+++ b/contrib/compiler-rt/lib/builtins/fixunssfti.c
@@ -12,6 +12,9 @@
  * ===----------------------------------------------------------------------===
  */
 
+#define SINGLE_PRECISION
+#include "fp_lib.h"
+
 #if defined(CRT_HAS_128BIT)
 typedef tu_int fixuint_t;
 #include "fp_fixuint_impl.inc"