diff --git a/spec/util_spec.cr b/spec/util_spec.cr
index 5e8b9f0..fb4efd7 100644
--- a/spec/util_spec.cr
+++ b/spec/util_spec.cr
@@ -68,6 +68,6 @@ describe "sanitize_filename" do
   end
   it "sanitizes correctly" do
     sanitize_filename("..  \n\v.\rマンゴー/|*()<[1/2] 3.14 hello world ")
-      .should eq " . マンゴー_()[1_2] 3.14 hello world"
+      .should eq "マンゴー_()[1_2] 3.14 hello world"
   end
 end
diff --git a/src/util/util.cr b/src/util/util.cr
index 50aa7fe..833f1ca 100644
--- a/src/util/util.cr
+++ b/src/util/util.cr
@@ -135,7 +135,7 @@ def sanitize_filename(str : String) : String
     .gsub(/\s+/, " ")
     .strip
     .gsub(/\//, "_")
-    .gsub(/^\.+/, "")
+    .gsub(/^[\.\s]+/, "")
     .gsub(/[\177\000-\031\\:\*\?\"<>\|]/, "")
   sanitized.size > 0 ? sanitized : random_str
 end