diff --git a/pkgs/development/haskell-modules/generic-builder.nix b/pkgs/development/haskell-modules/generic-builder.nix
index a0dd2a305f8..cdbf119af8c 100644
--- a/pkgs/development/haskell-modules/generic-builder.nix
+++ b/pkgs/development/haskell-modules/generic-builder.nix
@@ -26,7 +26,7 @@ in
 , editedCabalFile ? null
 , enableLibraryProfiling ? true
 , enableExecutableProfiling ? false
-, profilingDetail ? "all-functions"
+, profilingDetail ? "exported-functions"
 # TODO enable shared libs for cross-compiling
 , enableSharedExecutables ? false
 , enableSharedLibraries ? (ghc.enableShared or false)