diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 577082f01f4eb55f6871d895eafd3ab2fc88bc0c..7476ab1c5fb06c3e7b81a8e3fa9df286ac1f54f2 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -3173,6 +3173,10 @@ LLSD LLAppViewer::getViewerInfo() const
     substitution["datetime"] = (S32)(gVFS ? gVFS->creationTime() : 0);
     info["VFS_TIME"] = LLTrans::getString("AboutTime", substitution);
 
+#if LL_DARWIN
+    info["HIDPI"] = gHiDPISupport;
+#endif
+
 	// Libraries
 
 	info["J2C_VERSION"] = LLImageJ2C::getEngineInfo();
@@ -3315,6 +3319,9 @@ std::string LLAppViewer::getViewerInfoString(bool default_string) const
 	}
 	support << "\n" << LLTrans::getString("AboutOGL", args, default_string);
 	support << "\n\n" << LLTrans::getString("AboutSettings", args, default_string);
+#if LL_DARWIN
+	support << "\n" << LLTrans::getString("AboutOSXHiDPI", args, default_string);
+#endif
 	support << "\n\n" << LLTrans::getString("AboutLibs", args, default_string);
 	if (info.has("COMPILER"))
 	{
diff --git a/indra/newview/skins/default/xui/en/strings.xml b/indra/newview/skins/default/xui/en/strings.xml
index d91f3ac095c017ddacf3ee5e8d7af4ba1686b4eb..823109e55fe12a968be266d6a75def91678a2809 100644
--- a/indra/newview/skins/default/xui/en/strings.xml
+++ b/indra/newview/skins/default/xui/en/strings.xml
@@ -57,6 +57,9 @@ Render quality: [RENDER_QUALITY]
 Advanced Lighting Model: [GPU_SHADERS]
 Texture memory: [TEXTURE_MEMORY]MB
 VFS (cache) creation time: [VFS_TIME]
+	</string>
+	<string name="AboutOSXHiDPI">
+HiDPI display mode: [HIDPI]
 	</string>
 	<string name="AboutLibs">
 J2C Decoder Version: [J2C_VERSION]