diff --git a/include/boost/math/cstdfloat/cstdfloat_complex_std.hpp b/include/boost/math/cstdfloat/cstdfloat_complex_std.hpp
index 3629aa75d..cb38fc6f2 100644
--- a/include/boost/math/cstdfloat/cstdfloat_complex_std.hpp
+++ b/include/boost/math/cstdfloat/cstdfloat_complex_std.hpp
@@ -490,19 +490,19 @@
     inline complex<BOOST_CSTDFLOAT_EXTENDED_COMPLEX_FLOAT_TYPE> pow(const complex<BOOST_CSTDFLOAT_EXTENDED_COMPLEX_FLOAT_TYPE>& x,
                                                                     const BOOST_CSTDFLOAT_EXTENDED_COMPLEX_FLOAT_TYPE& a)
     {
-      std::exp(a * std::log(x));
+      return std::exp(a * std::log(x));
     }
 
     inline complex<BOOST_CSTDFLOAT_EXTENDED_COMPLEX_FLOAT_TYPE> pow(const complex<BOOST_CSTDFLOAT_EXTENDED_COMPLEX_FLOAT_TYPE>& x,
                                                                     const complex<BOOST_CSTDFLOAT_EXTENDED_COMPLEX_FLOAT_TYPE>& a)
     {
-      std::exp(a * std::log(x));
+      return std::exp(a * std::log(x));
     }
 
     inline complex<BOOST_CSTDFLOAT_EXTENDED_COMPLEX_FLOAT_TYPE> pow(const BOOST_CSTDFLOAT_EXTENDED_COMPLEX_FLOAT_TYPE& x,
                                                                     const complex<BOOST_CSTDFLOAT_EXTENDED_COMPLEX_FLOAT_TYPE>& a)
     {
-      std::exp(a * std::log(x));
+      return std::exp(a * std::log(x));
     }
 
     inline complex<BOOST_CSTDFLOAT_EXTENDED_COMPLEX_FLOAT_TYPE> sinh(const complex<BOOST_CSTDFLOAT_EXTENDED_COMPLEX_FLOAT_TYPE>& x)