diff --git a/src/libCom/osi/os/VMS/osiWireFormat.h b/src/libCom/osi/os/VMS/osiWireFormat.h
index e8d1b8130..bb60dc47e 100644
--- a/src/libCom/osi/os/VMS/osiWireFormat.h
+++ b/src/libCom/osi/os/VMS/osiWireFormat.h
@@ -19,4 +19,18 @@ inline void osiConvertToWireFormat ( const epicsFloat64 &value, unsigned char *p
 #   endif
 }
 
+inline void osiConvertFromWireFormat ( epicsFloat32 &value, epicsUInt8 *pWire )
+{
+    cvt$convert_float ( &value, CVT$K_IEEE_S, pWire, CVT$K_VAX_F, CVT$M_BIG_ENDIAN );
+}
+
+inline void osiConvertFromWireFormat ( epicsFloat64 &value, epicsUInt8 *pWire )
+{
+#   if defined ( __G_FLOAT ) && ( __G_FLOAT == 1 )
+        cvt$convert_float ( pWire, CVT$K_IEEE_T, &value, CVT$K_VAX_G, CVT$M_BIG_ENDIAN );
+#   else
+        cvt$convert_float ( pWire, CVT$K_IEEE_T, &value, CVT$K_VAX_D, CVT$M_BIG_ENDIAN );
+#   endif
+}
+
 #endif // osiWireFormat
\ No newline at end of file