diff --git a/w2v-server.pl b/w2v-server.pl
index 0873562..527c7ce 100755
--- a/w2v-server.pl
+++ b/w2v-server.pl
@@ -119,6 +119,9 @@
     $word-=$mergedEnd;
   }
 
+  if($opt_p >= 5000 && $opt_p < 5600) { # German non-reference
+    open PIPE, "GET http://compute:5673/getClassicCollocators?w=$word  |" ;
+  }
   if(!$cccache{$word}) {
     $c->app->log->info("Getting classic collocates of $word.");
     $cccache{$word} = getClassicCollocators($word);
@@ -126,8 +129,12 @@
     $c->app->log->info("Getting classic collocates for $word from cache.");
   }
   if($opt_p >= 5000 && $opt_p < 5600) { # German non-reference
-    $s2 = `GET http://compute:5673/getClassicCollocators?w=$word`;
+    while(<PIPE>) {
+      $s2 .= $_;
+    }
+    close(PIPE);
   }
+
   if(length($s2) > 2000) {
     my $d1 = decode_json($cccache{$word});
     my $d2 = decode_json($s2);