diff --git a/extern/bullet/LinearMath/SimdQuadWord.h b/extern/bullet/LinearMath/SimdQuadWord.h
index cf720ef4b32..efce56617a6 100644
--- a/extern/bullet/LinearMath/SimdQuadWord.h
+++ b/extern/bullet/LinearMath/SimdQuadWord.h
@@ -92,13 +92,16 @@ class	SimdQuadWord
 		}
 
 		SIMD_FORCE_INLINE SimdQuadWord() 
+		:m_x(0),m_y(0),m_z(0)
+		//todo, remove this in release/simd ?
+		,m_unusedW(0)
 		{
 		}
 
 		SIMD_FORCE_INLINE SimdQuadWord(const SimdScalar& x, const SimdScalar& y, const SimdScalar& z) 
 		:m_x(x),m_y(y),m_z(z)
 		//todo, remove this in release/simd ?
-		,m_unusedW(1e30f)
+		,m_unusedW(0)
 		{
 		}