diff --git a/jansi/src/main/java/org/fusesource/jansi/WindowsAnsiOutputStream.java b/jansi/src/main/java/org/fusesource/jansi/WindowsAnsiOutputStream.java
index 883e366e..dde089ea 100644
--- a/jansi/src/main/java/org/fusesource/jansi/WindowsAnsiOutputStream.java
+++ b/jansi/src/main/java/org/fusesource/jansi/WindowsAnsiOutputStream.java
@@ -122,9 +122,9 @@ private void applyAttribute() throws IOException {
     private short invertAttributeColors(short attributes) {
         // Swap the the Foreground and Background bits.
         int fg = 0x000F & attributes;
-        fg <<= 8;
-        int bg = 0X00F0 * attributes;
-        bg >>= 8;
+        fg <<= 4;
+        int bg = 0X00F0 & attributes;
+        bg >>= 4;
         attributes = (short) ((attributes & 0xFF00) | fg | bg);
         return attributes;
     }