diff --git a/bash-preexec.sh b/bash-preexec.sh
index 7774d31..74f7c22 100644
--- a/bash-preexec.sh
+++ b/bash-preexec.sh
@@ -251,7 +251,7 @@ __bp_preexec_invoke_exec() {
 
     local this_command
     this_command=$(LC_ALL=C HISTTIMEFORMAT='' builtin history 1)
-    this_command="${this_command# *[[:digit:]]*[* ] }"
+    this_command="${this_command#*[[:digit:]][* ] }"
 
     # Sanity check to make sure we have something to invoke our function with.
     if [[ -z "$this_command" ]]; then