diff --git a/qemu/fpu/softfloat.c b/qemu/fpu/softfloat.c
index 0da2a954..9ceb448b 100644
--- a/qemu/fpu/softfloat.c
+++ b/qemu/fpu/softfloat.c
@@ -1525,7 +1525,7 @@ FLOAT_TO_UINT(64, 64)
 
 static FloatParts int_to_float(int64_t a, float_status *status)
 {
-    FloatParts r;
+    FloatParts r = {0};
     if (a == 0) {
         r.cls = float_class_zero;
         r.sign = false;