diff --git a/util.cpp b/util.cpp
index 68755095..4cb47ce4 100644
--- a/util.cpp
+++ b/util.cpp
@@ -26,6 +26,13 @@ void MakePathRelative(char *basep, char *pathp)
     if(!(base[com] && path[com])) return; // weird, prefix is entire string
     if(com == 0) return; // maybe on different drive letters?
 
+    // Align the common prefix to the nearest slash; otherwise would break
+    // on subdirectories or filenames that shared a prefix.
+    while(com >= 1 && base[com-1] != '/' && base[com-1] != '\\') {
+        com--;
+    }
+    if(com == 0) return;
+
     int sections = 0;
     int secLen = 0, secStart = 0;
     for(i = com; base[i]; i++) {
diff --git a/wishlist.txt b/wishlist.txt
index 48d9cf93..457f1bc0 100644
--- a/wishlist.txt
+++ b/wishlist.txt
@@ -1,8 +1,9 @@
 
 get rid of the oops() calls in the mesh codes
-auto-generate circles and faces when lathing
-copy the section geometry to other end when sweeping
-cylindrical faces
+trace point feature
+smooth shading
+leak fixing
+cylindrical faces?
 
 
 long term