diff --git a/bash-preexec.sh b/bash-preexec.sh
index 641346a..7c69d3c 100644
--- a/bash-preexec.sh
+++ b/bash-preexec.sh
@@ -47,6 +47,11 @@ if [[ -z "${BASH_VERSINFO-}" ]] || (( BASH_VERSINFO[0] < 3 || (BASH_VERSINFO[0]
     return 1
 fi
 
+# We do not enable bash-preexc in non-interactive shells
+if [[ $- != *i* ]]; then
+    return 0
+fi
+
 # Avoid duplicate inclusion
 if [[ -n "${bash_preexec_imported:-}" || -n "${__bp_imported:-}" ]]; then
     return 0