diff --git a/lib/ansible/modules/extras/network/nmcli.py b/lib/ansible/modules/extras/network/nmcli.py
index bfdd1caf76b..2c553425e94 100644
--- a/lib/ansible/modules/extras/network/nmcli.py
+++ b/lib/ansible/modules/extras/network/nmcli.py
@@ -625,7 +625,7 @@ class Nmcli(object):
             cmd.append(self.ip6)
         if self.gw6 is not None:
             cmd.append('ipv6.gateway')
-            cmd.append(self.gw4)
+            cmd.append(self.gw6)
         if self.dns6 is not None:
             cmd.append('ipv6.dns')
             cmd.append(self.dns6)
@@ -745,7 +745,7 @@ class Nmcli(object):
             cmd.append(self.ip6)
         if self.gw6 is not None:
             cmd.append('ipv6.gateway')
-            cmd.append(self.gw4)
+            cmd.append(self.gw6)
         if self.dns6 is not None:
             cmd.append('ipv6.dns')
             cmd.append(self.dns6)
@@ -846,7 +846,7 @@ class Nmcli(object):
             cmd.append(self.ip6)
         if self.gw6 is not None:
             cmd.append('ipv6.gateway')
-            cmd.append(self.gw4)
+            cmd.append(self.gw6)
         if self.dns6 is not None:
             cmd.append('ipv6.dns')
             cmd.append(self.dns6)