diff --git a/chrome/src/nsChromeRegistry.cpp b/chrome/src/nsChromeRegistry.cpp
index a26da918f7f..89bf8ef1336 100644
--- a/chrome/src/nsChromeRegistry.cpp
+++ b/chrome/src/nsChromeRegistry.cpp
@@ -226,12 +226,16 @@ nsChromeRegistry::ConvertChromeURL(nsIURL* aChromeURL)
     }
 
     nsAutoString hostStr(host);
+    const char* file;
     
     // Construct a chrome URL and use it to look up a resource.
     nsAutoString windowType = nsAutoString("chrome://") + hostStr + "/";
 
+    // Stash any search part of the URL for later
+    aChromeURL->GetSearch(&file);
+    nsAutoString searchStr(file);
+
     // Find out the provider type of the URL
-    const char* file;
     aChromeURL->GetFile(&file);
     nsAutoString restOfURL(file);
     
@@ -308,7 +312,12 @@ nsChromeRegistry::ConvertChromeURL(nsIURL* aChromeURL)
     }
 
     char* finalDecision = chromeBase.ToNewCString();
+    char* search = searchStr.ToNewCString();
     aChromeURL->SetSpec(finalDecision);
+    if (search && *search) {
+      aChromeURL->SetSearch(search);
+      delete []search;
+    }
     delete []finalDecision;
     return NS_OK;
 }
diff --git a/network/module/nsNetService.cpp b/network/module/nsNetService.cpp
index fc6065675a5..547ddd8bdf5 100644
--- a/network/module/nsNetService.cpp
+++ b/network/module/nsNetService.cpp
@@ -407,11 +407,18 @@ nsresult nsNetlibService::OpenStream(nsIURL *aUrl,
 
     if (PL_strcmp(protocol, "resource") == 0) {
       char* fileName;
+      char* search;
       const char* file;
+      aUrl->GetSearch(&file);
+      search = XP_STRDUP(file);
       result = aUrl->GetFile(&file);
       NS_ASSERTION(result == NS_OK, "deal with this");
       fileName = mangleResourceIntoFileURL(file);
       aUrl->SetSpec(fileName);
+      if (search) {
+        aUrl->SetSearch(search);
+        PR_Free(search);
+      }
       PR_Free(fileName);
     } 
 	
diff --git a/rdf/chrome/src/nsChromeRegistry.cpp b/rdf/chrome/src/nsChromeRegistry.cpp
index a26da918f7f..89bf8ef1336 100644
--- a/rdf/chrome/src/nsChromeRegistry.cpp
+++ b/rdf/chrome/src/nsChromeRegistry.cpp
@@ -226,12 +226,16 @@ nsChromeRegistry::ConvertChromeURL(nsIURL* aChromeURL)
     }
 
     nsAutoString hostStr(host);
+    const char* file;
     
     // Construct a chrome URL and use it to look up a resource.
     nsAutoString windowType = nsAutoString("chrome://") + hostStr + "/";
 
+    // Stash any search part of the URL for later
+    aChromeURL->GetSearch(&file);
+    nsAutoString searchStr(file);
+
     // Find out the provider type of the URL
-    const char* file;
     aChromeURL->GetFile(&file);
     nsAutoString restOfURL(file);
     
@@ -308,7 +312,12 @@ nsChromeRegistry::ConvertChromeURL(nsIURL* aChromeURL)
     }
 
     char* finalDecision = chromeBase.ToNewCString();
+    char* search = searchStr.ToNewCString();
     aChromeURL->SetSpec(finalDecision);
+    if (search && *search) {
+      aChromeURL->SetSearch(search);
+      delete []search;
+    }
     delete []finalDecision;
     return NS_OK;
 }