diff --git a/package.yaml b/package.yaml
index 93685ee45..08a3b8edc 100644
--- a/package.yaml
+++ b/package.yaml
@@ -255,9 +255,8 @@ ghc-options:
   - -fno-warn-partial-type-signatures
   - -fno-max-relevant-binds
   - -j
-  - -freduction-depth=0
-  - -prof
-  - -fprof-auto-call
+  - -freduction-depth=0  
+  - -fprof-auto-calls
 when:
   - condition: flag(pedantic)
     ghc-options:
diff --git a/src/Handler/Admin/Test.hs b/src/Handler/Admin/Test.hs
index ca0d2aae8..ca100366b 100644
--- a/src/Handler/Admin/Test.hs
+++ b/src/Handler/Admin/Test.hs
@@ -14,6 +14,7 @@ import Utils.Print
 import Handler.Utils
 import Jobs
 
+import Data.Ratio ((%))
 import Data.Char (isDigit)
 import qualified Data.Text as Text
 -- import qualified Data.Text.IO as Text
@@ -97,7 +98,7 @@ postAdminTestR = do
   case btnResult of
     (FormSuccess CreateInf)  -> addMessage Info "Informatik-Knopf gedrückt"
     (FormSuccess CreateMath) -> addMessage Warning "Knopf Mathematik erkannt"
-    (FormSuccess CrashApp)   -> addMessage Error "Crash Button betätigt" >> error "Crash Button"
+    (FormSuccess CrashApp)   -> addMessage Error "Crash Button Ratio 0 betätigt" >> error ("Crash Button" <> (show $ 1 % 0))
     FormMissing -> return ()
     _other -> addMessage Warning "KEIN Knopf erkannt"
 
diff --git a/stack.yaml b/stack.yaml
index e3b41af26..2c7b72c31 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -10,8 +10,9 @@ rebuild-ghc-options: true
 #ghc-options:
 #  "$everything": -fno-prof-auto
 
-library-profiling: true
-executable-profiling: true
+build:
+  library-profiling: true
+  executable-profiling: true
 
 nix:
   packages: []