diff --git a/kvmstats.sh b/kvmstats.sh
index 5b3bc0f..7301962 100644
--- a/kvmstats.sh
+++ b/kvmstats.sh
@@ -1,5 +1,14 @@
 #!/bin/sh
 
+for DEP in hxselect lvs tempfile
+do
+	if [ -z "$(which $DEP)" ]
+	then
+		echo "kvmstats.sh: $DEP not found in \$PATH" 1>&2
+		exit 1
+	fi
+done
+
 TMPFILE=$(tempfile)
 
 for VM in $(virsh list --all --name)