diff --git a/lib/base/utility.cpp b/lib/base/utility.cpp
index 0b09516b759..10491d9c458 100644
--- a/lib/base/utility.cpp
+++ b/lib/base/utility.cpp
@@ -1435,6 +1435,9 @@ static String UnameHelper(char type)
 
 	FILE *fp = popen(cmd, "r");
 
+	if (!fp)
+		return "Unknown";
+
 	char line[1024];
 	std::ostringstream msgbuf;
 
@@ -1892,4 +1895,4 @@ String Utility::GetIcingaDataPath(void)
 	return String(path) + "\\icinga2";
 }
 
-#endif /* _WIN32 */
\ No newline at end of file
+#endif /* _WIN32 */