diff --git a/projects/clr/hipamd/include/hip/hcc_detail/math_functions.h b/projects/clr/hipamd/include/hip/hcc_detail/math_functions.h
index 876a14eaa9..7b9edfffd1 100644
--- a/projects/clr/hipamd/include/hip/hcc_detail/math_functions.h
+++ b/projects/clr/hipamd/include/hip/hcc_detail/math_functions.h
@@ -1412,6 +1412,7 @@ float func(float x, int y) \
   return func##f(x, y); \
 }
 __DEF_FLOAT_FUN2I(scalbn)
+__DEF_FLOAT_FUN2I(ldexp)
 
 template<class T>
 __DEVICE__ inline T min(T arg1, T arg2) {