Hashcat not recognizing my GPU

[aku]

here is the output of hashcat -I :

Code:

$ hashcat -I
hashcat (v5.1.0) starting...

OpenCL Info:

Platform ID #1
  Vendor  : The pocl project
  Name    : Portable Computing Language
  Version : OpenCL 1.2 pocl 1.5, None+Asserts, LLVM 9.0.1, RELOC, SLEEF, DISTRO, POCL_DEBUG

  Device ID #1
    Type          : CPU
    Vendor ID      : 1
    Vendor        : AuthenticAMD
    Name          : pthread-AMD Ryzen 5 2600 Six-Core Processor
    Version        : OpenCL 1.2 pocl HSTR: pthread-x86_64-pc-linux-gnu-znver1
    Processor(s)  : 12
    Clock          : 3400
    Memory        : 4096/13984 MB allocatable
    OpenCL Version : OpenCL C 1.2 pocl
    Driver Version : 1.5

my nvidia card appears to be installed correctly with CUDA 10.2 - why isn't it being recognized?