diff --git a/library/system/src/modules/Kernel.rb b/library/system/src/modules/Kernel.rb
index a25339290..12060b606 100644
--- a/library/system/src/modules/Kernel.rb
+++ b/library/system/src/modules/Kernel.rb
@@ -169,13 +169,13 @@ def ParseInstallationKernelCmdline
       @cmdline_parsed = true
       return if !(Stage.initial || Stage.cont)
 
-      # live installation does not create /etc/install.inf (bsc#793065)
-      tmp = if Mode.live_installation
+      # Check if /etc/install.inf exists
+      tmp = if SCR.Dir(path(".etc.install_inf")).empty?
         # not using dedicated agent in order to use the same parser for cmdline
         # independently on whether it comes from /proc/cmdline or /etc/install.inf
-        Convert.to_string(SCR.Read(path(".target.string"), "/proc/cmdline"))
+        SCR.Read(path(".target.string"), "/proc/cmdline").to_s
       else
-        Convert.to_string(SCR.Read(path(".etc.install_inf.Cmdline")))
+        SCR.Read(path(".etc.install_inf.Cmdline")).to_s
       end
 
       Builtins.y2milestone(