diff --git a/src/Compiler/CompileExpr.idr b/src/Compiler/CompileExpr.idr
index 140a6729a..08d0683b9 100644
--- a/src/Compiler/CompileExpr.idr
+++ b/src/Compiler/CompileExpr.idr
@@ -171,7 +171,7 @@ natHack = magic
          (\ fc, [] => CPrimVal fc (BI 0))
     , MagicCCon typesNS "S" 1
          (\ fc, [k] => CApp fc (CRef fc (UN "prim__add_Integer")) [CPrimVal fc (BI 1), k])
-    , MagicCRef typesNS "natToINteger" 1
+    , MagicCRef typesNS "natToInteger" 1
          (\ _, _, [k] => k)
     , MagicCRef typesNS "integerToNat" 1
          (\ _, _, [k] => k)
diff --git a/tests/Main.idr b/tests/Main.idr
index 31e54b07d..206f241cb 100644
--- a/tests/Main.idr
+++ b/tests/Main.idr
@@ -135,6 +135,7 @@ chezTests
       "chez019", "chez020", "chez021", "chez022", "chez023", "chez024",
       "chez025", "chez026", "chez027", "chez028", "chez029", "chez030",
       "chez031",
+      "perf001",
       "reg001"]
 
 nodeTests : List String
diff --git a/tests/chez/perf001/Fact.idr b/tests/chez/perf001/Fact.idr
new file mode 100644
index 000000000..48ee084b2
--- /dev/null
+++ b/tests/chez/perf001/Fact.idr
@@ -0,0 +1,8 @@
+module Main
+
+fact : Nat -> Nat
+fact 0 = 1
+fact (S k) = (S k) * (fact k)
+
+main : IO ()
+main = putStrLn $ show $ fact 1000
diff --git a/tests/chez/perf001/expected b/tests/chez/perf001/expected
new file mode 100644
index 000000000..a01ed5e92
--- /dev/null
+++ b/tests/chez/perf001/expected
@@ -0,0 +1 @@
+402387260077093773543702433923003985719374864210714632543799910429938512398629020592044208486969404800479988610197196058631666872994808558901323829669944590997424504087073759918823627727188732519779505950995276120874975462497043601418278094646496291056393887437886487337119181045825783647849977012476632889835955735432513185323958463075557409114262417474349347553428646576611667797396668820291207379143853719588249808126867838374559731746136085379534524221586593201928090878297308431392844403281231558611036976801357304216168747609675871348312025478589320767169132448426236131412508780208000261683151027341827977704784635868170164365024153691398281264810213092761244896359928705114964975419909342221566832572080821333186116811553615836546984046708975602900950537616475847728421889679646244945160765353408198901385442487984959953319101723355556602139450399736280750137837615307127761926849034352625200015888535147331611702103968175921510907788019393178114194545257223865541461062892187960223838971476088506276862967146674697562911234082439208160153780889893964518263243671616762179168909779911903754031274622289988005195444414282012187361745992642956581746628302955570299024324153181617210465832036786906117260158783520751516284225540265170483304226143974286933061690897968482590125458327168226458066526769958652682272807075781391858178889652208164348344825993266043367660176999612831860788386150279465955131156552036093988180612138558600301435694527224206344631797460594682573103790084024432438465657245014402821885252470935190620929023136493273497565513958720559654228749774011413346962715422845862377387538230483865688976461927383814900140767310446640259899490222221765904339901886018566526485061799702356193897017860040811889729918311021171229845901641921068884387121855646124960798722908519296819372388642614839657382291123125024186649353143970137428531926649875337218940694281434118520158014123344828015051399694290153483077644569099073152433278288269864602789864321139083506217095002597389863554277196742822248757586765752344220207573630569498825087968928162753848863396909959826280956121450994871701244516461260379029309120889086942028510640182154399457156805941872748998094254742173582401063677404595741785160829230135358081840096996372524230560855903700624271243416909004153690105933983835777939410970027753472000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
diff --git a/tests/chez/perf001/run b/tests/chez/perf001/run
new file mode 100755
index 000000000..5691f894e
--- /dev/null
+++ b/tests/chez/perf001/run
@@ -0,0 +1,4 @@
+$1 -c Fact.idr -o fact
+./build/exec/fact
+
+rm -rf build