diff --git a/srcpkgs/libunique1/patches/gcc7-fix-char_ptr.patch b/srcpkgs/libunique1/patches/gcc7-fix-char_ptr.patch
new file mode 100644
index 00000000000..5c19f80e6a3
--- /dev/null
+++ b/srcpkgs/libunique1/patches/gcc7-fix-char_ptr.patch
@@ -0,0 +1,11 @@
+--- libunique-1.1.6/unique/uniqueapp.c	2009-11-01 19:33:13.000000000 +0100
++++ libunique-1.1.6/unique/uniqueapp.c	2017-06-15 17:30:10.775354836 +0200
+@@ -176,7 +176,7 @@
+ {
+   gchar *id;
+ 
+-  if (startup_id && startup_id != '\0')
++  if (startup_id && *startup_id != '\0')
+     id = g_strdup (startup_id);
+   else
+     {