diff --git a/docker/kopia-installer.sh b/docker/kopia-installer.sh
index 67f2a8e..d939153 100755
--- a/docker/kopia-installer.sh
+++ b/docker/kopia-installer.sh
@@ -21,7 +21,7 @@ if [ "$PLATFORM" = "linux/amd64" ]; then
 elif [ "$PLATFORM" = "linux/arm64" ]; then
   export PLATFORM_ARCH="arm64"
 elif [ "$PLATFORM" = "linux/arm/v7" ]; then
-  export PLATFORM_ARCH="armhv"
+  export PLATFORM_ARCH="armhf"
 else
   echo "unsupported/unknown kopia PLATFORM ${PLATFORM}"
   exit 0