diff --git a/PVE/QemuServer/Helpers.pm b/PVE/QemuServer/Helpers.pm
index df167d18..68640dda 100644
--- a/PVE/QemuServer/Helpers.pm
+++ b/PVE/QemuServer/Helpers.pm
@@ -178,8 +178,8 @@ sub pvecfg_min_version {
 
     return 0 if !$verstr;
 
-    if ($verstr =~ m/^(\d+)\.(\d+)[.-](\d+)/) {
-	return 1 if version_cmp($1, $major, $2, $minor, $3, $release) >= 0;
+    if ($verstr =~ m/^(\d+)\.(\d+)(?:[.-](\d+))/) {
+	return 1 if version_cmp($1, $major, $2, $minor, $3 // 0, $release) >= 0;
 	return 0;
     }