diff --git a/src/ofxstatement/ofx.py b/src/ofxstatement/ofx.py
index 07d6e3e..302ed0c 100644
--- a/src/ofxstatement/ofx.py
+++ b/src/ofxstatement/ofx.py
@@ -160,7 +160,7 @@ def buildBankTransaction(self, line: StatementLine) -> None:
     def buildCurrency(self, tag: str, currency: Currency) -> None:
         self.tb.start(tag, {})
         self.buildText("CURSYM", currency.symbol)
-        self.buildAmount("CURRATE", currency.rate)
+        self.buildAmount("CURRATE", currency.rate, precision=4)
         self.tb.end(tag)
 
     def buildInvestTransactionList(self) -> None:
diff --git a/src/ofxstatement/tests/test_ofx.py b/src/ofxstatement/tests/test_ofx.py
index 9b5e5f5..1b36077 100644
--- a/src/ofxstatement/tests/test_ofx.py
+++ b/src/ofxstatement/tests/test_ofx.py
@@ -71,7 +71,7 @@
                         </CURRENCY>
                         <ORIGCURRENCY>
                             <CURSYM>EUR</CURSYM>
-                            <CURRATE>3.45</CURRATE>
+                            <CURRATE>3.4543</CURRATE>
                         </ORIGCURRENCY>
                     </STMTTRN>
                 </BANKTRANLIST>