diff --git a/src/main/java/tp/Fraction.java b/src/main/java/tp/Fraction.java
index 1520565..e0910ac 100644
--- a/src/main/java/tp/Fraction.java
+++ b/src/main/java/tp/Fraction.java
@@ -66,7 +66,13 @@ public int getDenominator() {
 	 * @param denominator the denominator to set, must be non zero. 
 	 */
 	public void setDenominator(int denominator) {
-		
+		if (denominator == 0) {
+			
+		}
+		else {
+		this.denominator = denominator;
+		this.reduce();
+		}
 	}
 	/**
 	 * Convert the fraction to its reduced form.  In case of a negative fraction,