diff --git a/lib/ExecutionEngine/ExecutionEngine.cpp b/lib/ExecutionEngine/ExecutionEngine.cpp
index 61be350..96604f1 100644
--- a/lib/ExecutionEngine/ExecutionEngine.cpp
+++ b/lib/ExecutionEngine/ExecutionEngine.cpp
@@ -396,7 +396,7 @@
       else if (CE->getType() == Type::X86_FP80Ty) {
         const uint64_t zero[] = {0, 0};
         APFloat apf = APFloat(APInt(80, 2, zero));
-        (void)apf.convertFromInteger(GV.IntVal.getRawData(), 
+        (void)apf.convertFromZeroExtendedInteger(GV.IntVal.getRawData(), 
                                GV.IntVal.getBitWidth(), false,
                                APFloat::rmNearestTiesToEven);
         GV.IntVal = apf.convertToAPInt();
@@ -412,7 +412,7 @@
       else if (CE->getType() == Type::X86_FP80Ty) {
         const uint64_t zero[] = { 0, 0};
         APFloat apf = APFloat(APInt(80, 2, zero));
-        (void)apf.convertFromInteger(GV.IntVal.getRawData(), 
+        (void)apf.convertFromZeroExtendedInteger(GV.IntVal.getRawData(), 
                                GV.IntVal.getBitWidth(), true,
                                APFloat::rmNearestTiesToEven);
         GV.IntVal = apf.convertToAPInt();