diff --git a/IJSVGExample/IJSVGExample.xcodeproj/project.xcworkspace/xcuserdata/curtishard.xcuserdatad/UserInterfaceState.xcuserstate b/IJSVGExample/IJSVGExample.xcodeproj/project.xcworkspace/xcuserdata/curtishard.xcuserdatad/UserInterfaceState.xcuserstate
index 9d73456..7f784b5 100644
Binary files a/IJSVGExample/IJSVGExample.xcodeproj/project.xcworkspace/xcuserdata/curtishard.xcuserdatad/UserInterfaceState.xcuserstate and b/IJSVGExample/IJSVGExample.xcodeproj/project.xcworkspace/xcuserdata/curtishard.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/source/IJSVGCache.h b/source/IJSVGCache.h
index 4ccf3f0..e2d7005 100644
--- a/source/IJSVGCache.h
+++ b/source/IJSVGCache.h
@@ -19,5 +19,6 @@
 + (void)flushCache;
 + (BOOL)enabled;
 + (void)setEnabled:(BOOL)flag;
++ (void)purgeCachedSVGForFileURL:(NSURL *)aURL;
 
 @end
diff --git a/source/IJSVGCache.m b/source/IJSVGCache.m
index f9c8f55..2845a60 100644
--- a/source/IJSVGCache.m
+++ b/source/IJSVGCache.m
@@ -32,6 +32,11 @@ static BOOL _enabled = YES;
     return svg;
 }
 
++ (void)purgeCachedSVGForFileURL:(NSURL *)aURL
+{
+    [_cache removeObjectForKey:aURL];
+}
+
 + (void)cacheSVG:(IJSVG *)svg
          fileURL:(NSURL *)aURL
 {
diff --git a/source/IJSVGParser.m b/source/IJSVGParser.m
index 07e6e3c..3cff236 100644
--- a/source/IJSVGParser.m
+++ b/source/IJSVGParser.m
@@ -96,7 +96,8 @@
             *error = [[[NSError alloc] initWithDomain:IJSVGErrorDomain
                                                  code:IJSVGErrorParsingFile
                                              userInfo:nil] autorelease];
-            [_document release], _document = nil;
+            if( _document != nil )
+                [_document release], _document = nil;
             [self release], self = nil;
             return nil;
         }
@@ -108,8 +109,8 @@
         if( ![self _validateParse:&anError] )
         {
             *error = anError;
-            [_document release], _document = nil;
             [self release], self = nil;
+            [_document release], _document = nil;
             return nil;
         }