1 files changed, 6 insertions, 0 deletions
diff --git a/wit.go b/wit.go
index 2b929ad..cd55f22 100644
--- a/wit.go
+++ b/wit.go
@@ -5,6 +5,12 @@ import (
 )
 
 func (m *Machine) IsInstalled(name string) bool {
+	if m == nil {
+		panic("m == nil in zoopb")
+	}
+	if m.Packages == nil {
+		panic("m.Packages nil in zoopb")
+	}
 	for p := range m.Packages.IterByName() {
 		if name == p.Name {
 			// log.Info("package installed:", p.Name, p.Version, p.PkgName)