diff --git a/src/Pipeline/SpirvShader.cpp b/src/Pipeline/SpirvShader.cpp
index 63d403c..89a82ba 100644
--- a/src/Pipeline/SpirvShader.cpp
+++ b/src/Pipeline/SpirvShader.cpp
@@ -4229,7 +4229,7 @@
 				auto in = significand.Float(i);
 				auto significandExponent = Exponent(in);
 				auto combinedExponent = exponent.Int(i) + significandExponent;
-				auto isSignificandZero     = SIMD::UInt(CmpEQ(significand.Int(0), SIMD::Int(0)));
+				auto isSignificandZero     = SIMD::UInt(CmpEQ(significand.Int(i), SIMD::Int(0)));
 				auto isSignificandInf      = SIMD::UInt(IsInf(in));
 				auto isSignificandNaN      = SIMD::UInt(IsNan(in));
 				auto isExponentNotTooSmall = SIMD::UInt(CmpGE(combinedExponent, SIMD::Int(-126)));
@@ -4247,7 +4247,7 @@
 				// If the input significand is zero, inf or nan, just return the
 				// input significand.
 				auto passthrough = isSignificandZero | isSignificandInf | isSignificandNaN;
-				v = (v & ~passthrough) | (significand.UInt(0) & passthrough);
+				v = (v & ~passthrough) | (significand.UInt(i) & passthrough);
 
 				dst.move(i, As<SIMD::Float>(v));
 			}