diff --git a/cdist/conf/explorer/machine_type b/cdist/conf/explorer/machine_type
index 0f212e73..c31f5ca6 100755
--- a/cdist/conf/explorer/machine_type
+++ b/cdist/conf/explorer/machine_type
@@ -515,7 +515,7 @@ check_vm_arch_specific() {
 				&& return 0
 			fi
 			if has_cpuinfo \
-				&& grep -q -i -e '^flags.*:.*\(hypervisor\|vmm\)\( \|$\) /proc/cpuinfo
+				&& grep -q -i -e '^flags.*:.*\(hypervisor\|vmm\)\( \|$\)' /proc/cpuinfo
 			then
 				return 0
 			fi