Can't ping Mac from PC

I have a PC running Windows 10 and a Mac running macOS 10.12.4 both connected to a common home WiFi network. **Mac network settings** **Firewall:** disabled, **IP:** 192.168.1.18, **Subnet:** 255.255.255.0 **Windows network settings** **Firewall:** disabled, **IP:** 192.168.1.14, **Subnet:** 255.255.255.0 **Ping Results** - Mac->Mac (other) = success - Mac->PC = success - PC->PC = success - PC->Mac = fail When monitoring tcpdump via Terminal on the Mac it is showing that the computer is receiving the ping, but the PC is not receiving a reply.