diff --git a/eth/main.cpp b/eth/main.cpp
index e9d63b42a..c83332c20 100644
--- a/eth/main.cpp
+++ b/eth/main.cpp
@@ -247,7 +247,7 @@ int main(int argc, char** argv)
 	Format exportFormat = Format::Binary;
 
 	/// DAG initialisation param.
-	unsigned initDAG;
+	unsigned initDAG = 0;
 
 	/// General params for Node operation
 	NodeMode nodeMode = NodeMode::Full;