diff --git a/utils/FPUtil/aarch64/FEnv.h b/utils/FPUtil/aarch64/FEnv.h
index 44723ac..327ce07 100644
--- a/utils/FPUtil/aarch64/FEnv.h
+++ b/utils/FPUtil/aarch64/FEnv.h
@@ -115,8 +115,8 @@
 static inline int raiseExcept(int excepts) {
   float zero = 0.0f;
   float one = 1.0f;
-  float largeValue = FPBits<float>(FPBits<float>::maxNormal);
-  float smallValue = FPBits<float>(FPBits<float>::minNormal);
+  float largeValue = float(FPBits<float>(FPBits<float>::maxNormal));
+  float smallValue = float(FPBits<float>(FPBits<float>::minNormal));
   auto divfunc = [](float a, float b) {
     __asm__ __volatile__("ldr  s0, %0\n\t"
                          "ldr  s1, %1\n\t"