diff --git a/modules/core/include/opencv2/core/vsx_utils.hpp b/modules/core/include/opencv2/core/vsx_utils.hpp
index 79a1074d59..4d5a694bae 100644
--- a/modules/core/include/opencv2/core/vsx_utils.hpp
+++ b/modules/core/include/opencv2/core/vsx_utils.hpp
@@ -257,8 +257,8 @@ VSX_IMPL_1VRG(vec_udword2, vec_udword2, vpopcntd, vec_popcntu)
 VSX_IMPL_1VRG(vec_udword2, vec_dword2,  vpopcntd, vec_popcntu)
 
 // converts between single and double-precision
-VSX_REDIRECT_1RG(vec_float4,  vec_double2, vec_cvfo, __builtin_vsx_xvcvdpsp)
-VSX_REDIRECT_1RG(vec_double2, vec_float4,  vec_cvfo, __builtin_vsx_xvcvspdp)
+VSX_REDIRECT_1RG(vec_float4,  vec_double2, vec_cvfo, vec_floate)
+VSX_REDIRECT_1RG(vec_double2, vec_float4,  vec_cvfo, vec_doubleo)
 
 // converts word and doubleword to double-precision
 #undef vec_ctd
@@ -399,10 +399,6 @@ VSX_REDIRECT_1RG(vec_ushort8, vec_ushort8, vec_popcntu, vec_popcnt)
 VSX_REDIRECT_1RG(vec_uint4,   vec_uint4,   vec_popcntu, vec_popcnt)
 VSX_REDIRECT_1RG(vec_udword2, vec_udword2, vec_popcntu, vec_popcnt)
 
-// converts between single and double precision
-VSX_REDIRECT_1RG(vec_float4,  vec_double2, vec_cvfo, __builtin_vsx_xvcvdpsp)
-VSX_REDIRECT_1RG(vec_double2, vec_float4,  vec_cvfo, __builtin_vsx_xvcvspdp)
-
 // converts word and doubleword to double-precision
 #ifdef vec_ctd
 #   undef vec_ctd