diff --git a/Profiling.asciidoc b/Profiling.asciidoc
index d745474..d20f24b 100644
--- a/Profiling.asciidoc
+++ b/Profiling.asciidoc
@@ -5,7 +5,7 @@ Embedded Stack Trace Profiler: http://nim-lang.org/docs/estp.html
 [source,bash]
 ----
 # build your application as:
-nim -d:release --debugger:native c application.nim
+nim --debugger:native c application.nim
 
 # profile calls with:
 valgrind --tool=callgrind ./application