diff --git a/src/API.jl b/src/API.jl
index 1e83f45..a790d3e 100644
--- a/src/API.jl
+++ b/src/API.jl
@@ -109,8 +109,9 @@ next_hwc_set() = FFI.Extrae_next_hwc_set()
 
 Select the range of tasks (not threads!) to store information from in the tracefile.
 """
-set_tracing_tasks(interval::UnitRange{UInt32}) =
-    FFI.Extrae_set_tracing_tasks(interval.start::UInt32, interval.stop::UInt32)
+function set_tracing_tasks(interval::UnitRange{UInt32})
+    return FFI.Extrae_set_tracing_tasks(interval.start, interval.stop)
+end
 
 """
     setoption(options)