diff --git a/lib/node_modules/@stdlib/plot/ctor/lib/props/x-min/set.js b/lib/node_modules/@stdlib/plot/ctor/lib/props/x-min/set.js
index 6a097f0235fa..8ba2ec72b103 100644
--- a/lib/node_modules/@stdlib/plot/ctor/lib/props/x-min/set.js
+++ b/lib/node_modules/@stdlib/plot/ctor/lib/props/x-min/set.js
@@ -49,16 +49,18 @@ function set( min ) {
 		!isNull( min ) &&
 		!isNumber( min ) // FIXME: finite number
 
-		// TODO: Date
+	// TODO: Date
 	) {
 		throw new TypeError( format( 'invalid assignment. `%s` must be a finite number, Date, or null. Value: `%s`.', 'xMin', min ) );
 	}
-	debug( 'Current value: %s.', this._xMin );
+	if ( min !== this._xMin ) {
+		debug( 'Current value: %s.', this._xMin );
 
-	this._xMin = min;
-	debug( 'New value: %s.', this._xMin );
+		this._xMin = min;
+		debug( 'New value: %s.', this._xMin );
 
-	this.emit( 'change' );
+		this.emit( 'change' );
+	}
 }