diff --git a/indra/newview/llfilepicker.cpp b/indra/newview/llfilepicker.cpp
index 3064d96434daae0d589b36b4cc3fce7a6d5bde83..057acf69b91f8dc7a2b1292156eb317ff59e399c 100755
--- a/indra/newview/llfilepicker.cpp
+++ b/indra/newview/llfilepicker.cpp
@@ -662,7 +662,7 @@ bool	LLFilePicker::doNavSaveDialog(ESaveFilter filter, const std::string& filena
 		case FFSAVE_TGAPNG:
 			type = "PNG";
 			creator = "prvw";
-			extension = "png";
+			extension = "png,tga";
 			break;
 		case FFSAVE_BMP:
 			type = "BMPf";
diff --git a/indra/newview/llfilepicker_mac.mm b/indra/newview/llfilepicker_mac.mm
index 13757904e3498b045b1dd87883d4d3f6a415aa64..1438e4dc0a993c69d23bae424a2b0363a0452bb2 100644
--- a/indra/newview/llfilepicker_mac.mm
+++ b/indra/newview/llfilepicker_mac.mm
@@ -107,7 +107,7 @@ std::string* doSaveDialog(const std::string* file,
     NSSavePanel *panel = [NSSavePanel savePanel]; 
     
     NSString *extensionns = [NSString stringWithCString:extension->c_str() encoding:[NSString defaultCStringEncoding]];
-    NSArray *fileType = [[NSArray alloc] initWithObjects:extensionns,nil];
+    NSArray *fileType = [extensionns componentsSeparatedByString:@","];
     
     //[panel setMessage:@"Save Image File"]; 
     [panel setTreatsFilePackagesAsDirectories: ( flags & F_NAV_SUPPORT ) ];