diff --git a/templates/bash.sh b/templates/bash.sh
index cf65ab815f..9fca97087c 100644
--- a/templates/bash.sh
+++ b/templates/bash.sh
@@ -73,5 +73,10 @@ if command -v {{ cmd_prefix }} >/dev/null 2>&1 || [[ -n "${WORKTRUNK_BIN:-}" ]];
             _clap_complete_{{ cmd_prefix }}
         fi
     }
-    complete -o nospace -o bashdefault -o nosort -F _wt_lazy_complete {{ cmd_prefix }}
+    # nosort requires Bash 4.4+ (macOS ships with 3.2)
+    if [[ ${BASH_VERSINFO[0]} -gt 4 || (${BASH_VERSINFO[0]} -eq 4 && ${BASH_VERSINFO[1]} -ge 4) ]]; then
+        complete -o nospace -o bashdefault -o nosort -F _wt_lazy_complete {{ cmd_prefix }}
+    else
+        complete -o nospace -o bashdefault -F _wt_lazy_complete {{ cmd_prefix }}
+    fi
 fi
diff --git a/tests/snapshots/integration__integration_tests__init__init_bash.snap b/tests/snapshots/integration__integration_tests__init__init_bash.snap
index d2e6d82608..b97f948774 100644
--- a/tests/snapshots/integration__integration_tests__init__init_bash.snap
+++ b/tests/snapshots/integration__integration_tests__init__init_bash.snap
@@ -185,7 +185,12 @@ wt_exec() {
             _clap_complete_wt
         fi
     }
-    complete -o nospace -o bashdefault -o nosort -F _wt_lazy_complete wt
+    # nosort requires Bash 4.4+ (macOS ships with 3.2)
+    if [[ ${BASH_VERSINFO[0]} -gt 4 || (${BASH_VERSINFO[0]} -eq 4 && ${BASH_VERSINFO[1]} -ge 4) ]]; then
+        complete -o nospace -o bashdefault -o nosort -F _wt_lazy_complete wt
+    else
+        complete -o nospace -o bashdefault -F _wt_lazy_complete wt
+    fi
 fi
 
 ----- stderr -----