diff --git a/pkgs/development/haskell-modules/generic-builder.nix b/pkgs/development/haskell-modules/generic-builder.nix
index d4d9bd019ad0..1804223d0a12 100644
--- a/pkgs/development/haskell-modules/generic-builder.nix
+++ b/pkgs/development/haskell-modules/generic-builder.nix
@@ -122,7 +122,8 @@ in
   doHaddockQuickjump ? doHoogle,
   doInstallIntermediates ? false,
   editedCabalFile ? null,
-  enableLibraryProfiling ? !stdenv.hostPlatform.isGhcjs,
+  # Cabal does not build the profiled dynamic objects required by wasm TH.
+  enableLibraryProfiling ? !stdenv.hostPlatform.isGhcjs && !stdenv.hostPlatform.isWasm,
   enableExecutableProfiling ? false,
   profilingDetail ? "exported-functions",
   # TODO enable shared libs for cross-compiling