diff --git a/samplecode/SampleFuzz.cpp b/samplecode/SampleFuzz.cpp
index a6495b3..51350be 100644
--- a/samplecode/SampleFuzz.cpp
+++ b/samplecode/SampleFuzz.cpp
@@ -45,7 +45,7 @@
 }
 
 static float make_number() {
-  float v;
+  float v = 0;
   int sel;
 
   if (return_large == true && R(3) == 1) sel = R(6); else  sel = R(4);