diff --git a/samples/client/petstore/go/go-petstore/client.go b/samples/client/petstore/go/go-petstore/client.go
index 47bde2f8690..d28e9c440b6 100644
--- a/samples/client/petstore/go/go-petstore/client.go
+++ b/samples/client/petstore/go/go-petstore/client.go
@@ -381,6 +381,9 @@ func (c *APIClient) decode(v interface{}, b []byte, contentType string) (err err
 			return
 		}
 		_, err = (*f).Write(b)
+		if err != nil {
+			return
+		}
 		_, err = (*f).Seek(0, io.SeekStart)
 		return
 	}
diff --git a/samples/openapi3/client/extensions/x-auth-id-alias/go-experimental/client.go b/samples/openapi3/client/extensions/x-auth-id-alias/go-experimental/client.go
index d025bb35fbc..b812ae69158 100644
--- a/samples/openapi3/client/extensions/x-auth-id-alias/go-experimental/client.go
+++ b/samples/openapi3/client/extensions/x-auth-id-alias/go-experimental/client.go
@@ -366,6 +366,9 @@ func (c *APIClient) decode(v interface{}, b []byte, contentType string) (err err
 			return
 		}
 		_, err = (*f).Write(b)
+		if err != nil {
+			return
+		}
 		_, err = (*f).Seek(0, io.SeekStart)
 		return
 	}
diff --git a/samples/openapi3/client/petstore/go/go-petstore/client.go b/samples/openapi3/client/petstore/go/go-petstore/client.go
index 60262a81cab..c3ab7d2b8ec 100644
--- a/samples/openapi3/client/petstore/go/go-petstore/client.go
+++ b/samples/openapi3/client/petstore/go/go-petstore/client.go
@@ -394,6 +394,9 @@ func (c *APIClient) decode(v interface{}, b []byte, contentType string) (err err
 			return
 		}
 		_, err = (*f).Write(b)
+		if err != nil {
+			return
+		}
 		_, err = (*f).Seek(0, io.SeekStart)
 		return
 	}