diff --git a/source/src/client.cpp b/source/src/client.cpp
index 871832e5..15ac2307 100644
--- a/source/src/client.cpp
+++ b/source/src/client.cpp
@@ -1156,9 +1156,9 @@ bool requirepackage(int type, const char *path)
     loopv(pckservers) if(pckservers[i]->responsive) { source = pckservers[i]; break; }
     if(!source) { conoutf("\f3no responsive source server found, can't download"); return false; }
 
-    char *cleanpath = unixpath(newstring(path));
+    char *upath = unixpath(newstring(path)), *cleanpath = newstring(path);
     filtertext(cleanpath, cleanpath, FTXT__MEDIAFILEPATH);
-    if(strcmp(path, cleanpath)) { conoutf("refuse to download \"%s\": illegal characters", path); delstring(cleanpath); return false; }
+    if(strcmp(upath, cleanpath)) { conoutf("refuse to download \"%s\": illegal characters", path); delstring(upath); delstring(cleanpath); return false; }
     if(!havecurl || canceldownloads || type < 0 || type >= PCK_NUM || pendingpackages.access(cleanpath)) { delstring(cleanpath); return false; }
 
     package *pck = new package;
@@ -1167,6 +1167,7 @@ bool requirepackage(int type, const char *path)
     pck->source = source;
     pck->pending = true;
     pendingpackages.access(pck->name, pck);
+    delstring(upath);
     return true;
 }