diff --git a/plugins/available/history-eternal.plugin.bash b/plugins/available/history-eternal.plugin.bash
index 178332142a..00e6fe5e69 100644
--- a/plugins/available/history-eternal.plugin.bash
+++ b/plugins/available/history-eternal.plugin.bash
@@ -1,6 +1,10 @@
 # shellcheck shell=bash
 about-plugin 'eternal bash history'
 
+if [[ ${BASH_VERSINFO[0]} -lt 4 ]] || [[ ${BASH_VERSINFO[0]} -eq 4 && ${BASH_VERSINFO[1]} -lt 3 ]]; then
+	return 1 # Bash version 4.3 introduced the "unlimited" history size capability.
+fi
+
 # Modify history sizes before changing location to avoid unintentionally
 # truncating the history file early.