diff --git a/lib/std/core/mem_allocator.c3 b/lib/std/core/mem_allocator.c3
index 4782dc04f..35dcffac9 100644
--- a/lib/std/core/mem_allocator.c3
+++ b/lib/std/core/mem_allocator.c3
@@ -435,7 +435,7 @@ fn Allocator create_temp_allocator_on_demand() @private
 	    auto_create_temp = true;
 	    abort("Use '@pool_init()' to enable the temp allocator on a new thread. A temp allocator is only implicitly created on the main thread.");
 	}
-	return create_temp_allocator(base_allocator(), temp_allocator_size());
+	return create_temp_allocator(temp_base_allocator, temp_allocator_size());
 }
 <*
  @require !top_temp : "This should never be called when temp already exists"
diff --git a/releasenotes.md b/releasenotes.md
index fd24298f8..80b3aa744 100644
--- a/releasenotes.md
+++ b/releasenotes.md
@@ -11,6 +11,7 @@
 ### Fixes
 - Trying to cast an enum to int and back caused the compiler to crash.
 - Incorrect rounding at compile time going from double to int.
+- Regression with invalid setup of the WASM temp allocator.
 
 ### Stdlib changes
 - Hash functions for integer vectors and arrays.