diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 82c2a6f..98ecabf 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -271,7 +271,7 @@ jobs:
             echo "$1" | \
               sed -e 's#[\\/:\*\?"<>|]#-#g' -e 's#%#_#g' | \
               tr -s ' ' | \
-              sed 's/^[[:space:]]*//;s/[[:space:]]*$//'
+              sed 's/^ *//;s/ *$//'
           }
 
           mapfile -t changed_skins < "$CHANGED_SKINS_FILE"
@@ -338,7 +338,7 @@ jobs:
             echo "$1" | \
               sed -e 's#[\\/:\*\?"<>|]#-#g' -e 's#%#_#g' | \
               tr -s ' ' | \
-              sed 's/^[[:space:]]*//;s/[[:space:]]*$//'
+              sed 's/^ *//;s/ *$//'
           }
 
           if [ -z "$CHANGED_SKINS_FILE" ] || [ ! -s "$CHANGED_SKINS_FILE" ]; then
@@ -426,7 +426,7 @@ jobs:
             echo "$1" | \
               sed -e 's#[\\/:\*\?"<>|]#-#g' -e 's#%#_#g' | \
               tr -s ' ' | \
-              sed 's/^[[:space:]]*//;s/[[:space:]]*$//'
+              sed 's/^ *//;s/ *$//'
           }
 
           if [ -z "${CHANGED_SKINS_FILE:-}" ] || [ ! -s "$CHANGED_SKINS_FILE" ]; then
@@ -482,7 +482,7 @@ jobs:
             echo "$1" | \
               sed -e 's#[\\/:\*\?"<>|]#-#g' -e 's#%#_#g' | \
               tr -s ' ' | \
-              sed 's/^[[:space:]]*//;s/[[:space:]]*$//'
+              sed 's/^ *//;s/ *$//'
           }
 
           SKINS_JSON_FILE="${{ github.workspace }}/.gitea/workflows/skins.json"