diff --git a/.gitignore b/.gitignore
index 2d8c216..f69a42b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,5 @@ features/src/**/installer_*
 
 # Cache for prepared and cleaned feature for packaging/publishing
 .prepared-feature/
+
+.devcontainer/devcontainer-lock.json
diff --git a/features/src/system-packages/README.md b/features/src/system-packages/README.md
index a9738ed..3d2e20d 100755
--- a/features/src/system-packages/README.md
+++ b/features/src/system-packages/README.md
@@ -6,7 +6,7 @@ Install arbitrary system packages using the system package manager.
 
 ```json
 "features": {
-    "ghcr.io/postfinance/devcontainer-features/system-packages:1.0.0": {
+    "ghcr.io/postfinance/devcontainer-features/system-packages:1.0.1": {
         "packages": ""
     }
 }
diff --git a/features/src/system-packages/devcontainer-feature.json b/features/src/system-packages/devcontainer-feature.json
index 740e47a..761bda5 100644
--- a/features/src/system-packages/devcontainer-feature.json
+++ b/features/src/system-packages/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
   "id": "system-packages",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "name": "System Packages",
   "description": "Install arbitrary system packages using the system package manager.",
   "options": {
@@ -14,4 +14,4 @@
       "default": ""
     }
   }
-}
\ No newline at end of file
+}
diff --git a/installer/system.go b/installer/system.go
index 4450ba0..6e9612f 100644
--- a/installer/system.go
+++ b/installer/system.go
@@ -107,17 +107,19 @@ func (s *system) OsInfo() *OsInfo {
 		if err := scanner.Err(); err != nil {
 			return
 		}
+		// We do not know which values are provided by the OS, so we take what
+		// we can get and set undefined values to "unknown"
 		vendor, ok := infoMap["ID"]
 		if !ok {
-			return
+			vendor = "unknown"
 		}
 		codename, ok := infoMap["VERSION_CODENAME"]
 		if !ok {
-			return
+			codename = "unknown"
 		}
 		versionId, ok := infoMap["VERSION_ID"]
 		if !ok {
-			return
+			versionId = "unknown"
 		}
 		s.osInfo = &OsInfo{
 			Vendor:    vendor,
@@ -125,10 +127,6 @@ func (s *system) OsInfo() *OsInfo {
 			VersionId: versionId,
 		}
 	})
-	if s.osInfo == nil {
-		// Fill with unknown if we couldn't read the OS info
-		s.osInfo = &OsInfo{Vendor: "unknown", Codename: "unknown", VersionId: "unknown"}
-	}
 	return s.osInfo
 }