diff --git a/plugins/builtin/source/content/views/view_hex_editor.cpp b/plugins/builtin/source/content/views/view_hex_editor.cpp
index 2e77dd258..cd5b73c9e 100644
--- a/plugins/builtin/source/content/views/view_hex_editor.cpp
+++ b/plugins/builtin/source/content/views/view_hex_editor.cpp
@@ -528,10 +528,12 @@ namespace hex::plugin::builtin {
         }
 
     private:
-        static void fill(u64 address, size_t size, const std::string &input) {
+        static void fill(u64 address, size_t size, std::string input) {
             if (!ImHexApi::Provider::isValid())
                 return;
 
+            std::erase(input, ' ');
+
             auto bytes = crypt::decode16(input);
             if (bytes.empty())
                 return;