--- a/kexec/arch/i386/kexec-elf-x86.c
+++ b/kexec/arch/i386/kexec-elf-x86.c
@@ -296,6 +296,6 @@ out:
 	free(command_line);
 	free(modified_cmdline);
 	if (error_msg)
-		die(error_msg);
+		die("%s", error_msg);
 	return result;
 }
--- a/kexec/arch/x86_64/kexec-elf-x86_64.c
+++ b/kexec/arch/x86_64/kexec-elf-x86_64.c
@@ -276,6 +276,6 @@ out:
 	free(command_line);
 	free(modified_cmdline);
 	if (error_msg)
-		die(error_msg);
+		die("%s", error_msg);
 	return result;
 }