--- src/xpenguins_theme.c.str	2010-02-20 19:17:25.000000000 +0100
+++ src/xpenguins_theme.c	2010-02-20 19:17:39.000000000 +0100
@@ -608,7 +608,7 @@
 	    xpm_file_name = word;
 	  }
 	  else {
-	    snprintf(file_base, MAX_STRING_LENGTH, word);
+	    snprintf(file_base, MAX_STRING_LENGTH, "%s",word);
 	    xpm_file_name = file_name;
 	  }
 	  if (current->image) {