diff --git a/multinode-demo/leader.sh b/multinode-demo/leader.sh
index 733f068086..4013c32877 100755
--- a/multinode-demo/leader.sh
+++ b/multinode-demo/leader.sh
@@ -24,5 +24,6 @@ fi
 # shellcheck disable=SC2086 # $program should not be quoted
 exec $program \
   -l "$SOLANA_CONFIG_DIR"/leader.json \
-  < "$SOLANA_CONFIG_DIR"/genesis.log "$SOLANA_CONFIG_DIR"/tx-*.log \
+  < <(shopt -s nullglob && cat "$SOLANA_CONFIG_DIR"/genesis.log \
+          "$SOLANA_CONFIG_DIR"/tx-*.log) \
   > "$SOLANA_CONFIG_DIR"/tx-"$(date -u +%Y%m%d%H%M%S%N)".log
diff --git a/multinode-demo/validator.sh b/multinode-demo/validator.sh
index 3d903b6c8c..7fa785733e 100755
--- a/multinode-demo/validator.sh
+++ b/multinode-demo/validator.sh
@@ -72,4 +72,5 @@ ls -lh "$SOLANA_LEADER_CONFIG_DIR"
 # shellcheck disable=SC2086 # $program should not be quoted
 exec $program \
   -l "$SOLANA_CONFIG_DIR"/validator.json -t "$leader_address:$leader_port" \
-  < "$SOLANA_LEADER_CONFIG_DIR"/genesis.log "$SOLANA_LEADER_CONFIG_DIR"/tx-*.log
+  < <(shopt -s nullglob && cat "$SOLANA_LEADER_CONFIG_DIR"/genesis.log \
+          "$SOLANA_LEADER_CONFIG_DIR"/tx-*.log)