diff --git a/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/linear/BigReal.java b/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/linear/BigReal.java
index 744fe1b68a..6450e56a2b 100644
--- a/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/linear/BigReal.java
+++ b/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/linear/BigReal.java
@@ -323,7 +323,7 @@ public boolean equals(Object other) {
     /** {@inheritDoc} */
     @Override
     public int hashCode() {
-        return d.hashCode();
+        return Double.hashCode(d.doubleValue());
     }
 
     /** {@inheritDoc} */
diff --git a/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/linear/BigRealTest.java b/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/linear/BigRealTest.java
index 9c2540443d..f02741b7a9 100644
--- a/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/linear/BigRealTest.java
+++ b/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/linear/BigRealTest.java
@@ -178,6 +178,7 @@ public void testEqualsAndHashCode() {
         BigReal oneWithScaleOne = new BigReal(new BigDecimal("1.0"));
         BigReal oneWithScaleTwo = new BigReal(new BigDecimal("1.00"));
         Assert.assertEquals(oneWithScaleOne, oneWithScaleTwo);
+        Assert.assertEquals(oneWithScaleOne.hashCode(), oneWithScaleTwo.hashCode());
     }
 
     @Test