diff --git a/pacman-zfs-snapshot.conf b/pacman-zfs-snapshot.conf
index 104c602..242e5ea 100644
--- a/pacman-zfs-snapshot.conf
+++ b/pacman-zfs-snapshot.conf
@@ -15,3 +15,13 @@ snaps_trivial_suffix='trv'
 snaps_important_suffix='imp'
 
 pkgs_list_max_length='24'
+
+# Hook will by default snapshot all datasets that have the property
+# 'space.quico:auto-snapshot=true' set, even the ones that are not currently
+# mounted and may belong to unrelated operating systems. Set
+# snap_only_local_datasets='true' to limit snapshots to only those datasets
+# that have aforementioned property and at the same time are currently
+# mounted in your running OS. Currently mounted is defined as:
+# findmnt --json --list --output 'fstype,source,target' | \
+# jq --raw-output '.[][] | select(.fstype=="zfs") | .source'
+snap_only_local_datasets='true'
diff --git a/pacman-zfs-snapshot.sh b/pacman-zfs-snapshot.sh
index b806d2e..b90556e 100755
--- a/pacman-zfs-snapshot.sh
+++ b/pacman-zfs-snapshot.sh
@@ -23,6 +23,7 @@ if [[ ! "${snaps_important_keep}" ]]; then snaps_important_keep='5'; fi
 if [[ ! "${snaps_trivial_suffix}" ]]; then snaps_trivial_suffix='trv'; fi
 if [[ ! "${snaps_important_suffix}" ]]; then snaps_important_suffix='imp'; fi
 if [[ ! "${pkgs_list_max_length}" ]]; then pkgs_list_max_length='24'; fi
+if [[ ! "${snap_only_local_datasets}" ]]; then snap_only_local_datasets='true'; fi
 
 function split_pkgs_by_importance () {
     local pkgs_in_transaction
@@ -58,6 +59,25 @@ function get_globally_snappable_datasets () {
     done <<<"${datasets_list}"
 }
 
+function get_local_snappable_datasets () {
+    local datasets_list
+    datasets_list="$(findmnt --json --list --output 'fstype,source,target' | \
+                     jq --raw-output '.[][] | select(.fstype=="zfs") | .source')"
+    while IFS= read -r dataset; do
+        local_snappable_datasets+=("${dataset}")
+    done <<<"${datasets_list}"
+}
+
+function trim_globally_snappable_datasets () {
+    for global_dataset in "${globally_snappable_datasets[@]}"; do
+        for local_dataset in "${local_snappable_datasets[@]}"; do
+            if grep -Piq -- '^'"${local_dataset}"'$' <<<"${global_dataset}"; then
+                snappable_datasets+=("${global_dataset}")
+            fi
+        done
+    done
+}
+
 function write_pkg_list_oneline () {
     local unabridged_pkg_list_oneline
     if [[ "${severity}" == 'imp' ]]; then
@@ -93,6 +113,15 @@ function main () {
     local -a globally_snappable_datasets
     get_globally_snappable_datasets
 
+    local -a snappable_datasets
+    if [[ "${snap_only_local_datasets}" == 'true' ]]; then
+        local local_snappable_datasets
+        get_local_snappable_datasets
+        trim_globally_snappable_datasets
+    else
+        snappable_datasets=("${globally_snappable_datasets}")
+    fi
+
     local pkg_list_oneline
     write_pkg_list_oneline