1 files changed, 1 insertions, 1 deletions

diff --git a/tools/perf/bash_completion b/tools/perf/bash_completion
index 50540cfe3d18..b0cdd12bd5e4 100644
--- a/tools/perf/bash_completion
+++ b/tools/perf/bash_completion
@@ -11,7 +11,7 @@ __ltrim_colon_completions()
 {
         if [[ "$1" == *:* && "$COMP_WORDBREAKS" == *:* ]]; then
                 # Remove colon-word prefix from COMPREPLY items
-                local colon_word=${1%${1##*:}}
+                local colon_word=${1%"${1##*:}"}
                 local i=${#COMPREPLY[*]}
                 while [[ $((--i)) -ge 0 ]]; do
                         COMPREPLY[$i]=${COMPREPLY[$i]#"$colon_word"}