diff -r a29623b68ca2 -r cc42fad3fe31 plover-gtk/stockicons.c
--- a/plover-gtk/stockicons.c	Mon Jun 13 12:18:42 2016 +0100
+++ b/plover-gtk/stockicons.c	Tue Jun 29 10:08:33 2021 +0100
@@ -115,7 +115,7 @@
 #endif
 	if (!prefix)
 	    prefix=g_strdup("/usr");
-	datadir=g_strconcat(prefix,"share",NULL);
+	datadir=g_build_filename(prefix,"share",NULL);
 	g_free(prefix);
     }
     if (plover_pixbuf_supports_svg())