diff --git a/Source/Core/VideoCommon/VertexShaderManager.cpp b/Source/Core/VideoCommon/VertexShaderManager.cpp
index 2d496cb50c..587dc2914e 100644
--- a/Source/Core/VideoCommon/VertexShaderManager.cpp
+++ b/Source/Core/VideoCommon/VertexShaderManager.cpp
@@ -88,7 +88,7 @@ static float PHackValue(std::string sValue)
 
 void UpdateProjectionHack(int iPhackvalue[], std::string sPhackvalue[])
 {
-	float fhackvalue1 = 0, fhackvalue2 = 0;
+	float fhackvalue1 = 0, fhackvalue2 = FLT_EPSILON; // hack to fix depth clipping precision issues (such as Sonic Unleashed UI)
 	float fhacksign1 = 1.0, fhacksign2 = 1.0;
 	const char *sTemp[2];