diff --git a/paddle/phi/infermeta/backward.cc b/paddle/phi/infermeta/backward.cc
index 1eca092a5f22f0fdc15b97eaadb288e456bfdda3..a33b9587c153ca2f7d67966a3a1a3838ebece5ee 100644
--- a/paddle/phi/infermeta/backward.cc
+++ b/paddle/phi/infermeta/backward.cc
@@ -419,6 +419,7 @@ void InverseGradInferMeta(const MetaTensor& out,
                           MetaTensor* dx) {
   if (dx) {
     dx->set_dims(dout.dims());
+    dx->set_dtype(out.dtype());
   }
 }
 
diff --git a/paddle/phi/infermeta/unary.cc b/paddle/phi/infermeta/unary.cc
index edc455225e4dc272cf88cd77549149a44766de00..c018e58a59a37b537fe55f11ce346e516b0390a9 100644
--- a/paddle/phi/infermeta/unary.cc
+++ b/paddle/phi/infermeta/unary.cc
@@ -1059,6 +1059,7 @@ void InverseInferMeta(const MetaTensor& x, MetaTensor* out) {
   }
 
   out->set_dims(input_dims);
+  out->set_dtype(x.dtype());
   out->share_lod(x);
 }