diff --git a/src/examples/forbble.pbl b/src/examples/forbble.pbl
index 85792b3..1e389b9 100755
--- a/src/examples/forbble.pbl
+++ b/src/examples/forbble.pbl
@@ -157,18 +157,19 @@
 ; Math
 (feval (: "sq" dup * $))
 ; Gets next Fibonacci number from two on stack
-(feval (: "fib" swap over + dup . $))
+(feval (: "_f" swap over + $))
+(feval (: "fib" _f dup . $))
 
-; A simple REPL. Exits on 'q'
-(def repl (fn (_) (
-  (prn "forbble::> ")
-  (def _inp (inp 0 0))
-  (if (= "q" _inp) () (
-    (def _str (+ "(feval (" _inp "))" ))
-    (eval _str)
-    (pch 10)
-    (repl 0)
-  )))))
-
-; Run the REPL
-(repl 0)
+;; A simple REPL. Exits on 'q'
+;(def repl (fn (_) (
+;  (prn "forbble::> ")
+;  (def _inp (inp 0 0))
+;  (if (= "q" _inp) () (
+;    (def _str (+ "(feval (" _inp "))" ))
+;    (eval _str)
+;    (pch 10)
+;    (repl 0)
+;  )))))
+;
+;; Run the REPL
+;(repl 0)
diff --git a/src/tests.sh b/src/tests.sh
index 7f39c23..eab3e6e 100755
--- a/src/tests.sh
+++ b/src/tests.sh
@@ -28,7 +28,7 @@ title() {
 }
 
 pass() {
-    echo -n "✓"
+    echo -n "✓"
     ((TOTAL_PASSES++))
 }
 
@@ -41,6 +41,7 @@ fail() {
 
 check() {
     if $VALGRIND; then
+        echo -ne "\n  $1 "
         local output=$($VALCOM ./pl "(loadfile \"examples/lib.pbl\") $2")
     else
         local output=$(./pl "(loadfile \"examples/lib.pbl\") $2")
@@ -189,6 +190,11 @@ check "BasicOpEval" "(eval \"(+ 5 10)\")" "15"
 check "MapFilter" "(eval \"(fil (< 50) (map sq (1 2 3 4 5 6 7 8 9 10 11 12)))\")" "( 64 81 100 121 144 )"
 endBlock
 
+title "Forbble"
+check "BasicForbbleOp" "(loadfile 'examples/forbble.pbl') (feval (10 10 * .)) ''" "100"
+check "FibForbble" "(loadfile 'examples/forbble.pbl') (feval (1 1 _f _f _f _f _f _f _f _f _f _f _f _f _f _f _f _f _f _f _f _f _f .)) ''" "28657"
+endBlock
+
 # title "Environment"
 # check "EnvStressTestEarly" "(def a 1)(def b 20)(def c 'yee')(def d 'yeehunnid')(def e 3) (a)" "1"
 # check "EnvStressTestLate" "(def a 1)(def b 2)(def c 3)(def d 4)(def e 5)(def f 6)(def n 40) (n)" "40"