diff --git a/scripts/tracetool/format/ust_events_h.py b/scripts/tracetool/format/ust_events_h.py
index 514294c2cc..4e95e9b3f9 100644
--- a/scripts/tracetool/format/ust_events_h.py
+++ b/scripts/tracetool/format/ust_events_h.py
@@ -79,7 +79,8 @@ def generate(events, backend, group):
                     out('       ctf_integer_hex('+ t + ', ' + n + ', ' + n + ')')
                 elif ("ptr" in t) or ("*" in t):
                     out('       ctf_integer_hex('+ t + ', ' + n + ', ' + n + ')')
-                elif ('int' in t) or ('long' in t) or ('unsigned' in t) or ('size_t' in t):
+                elif ('int' in t) or ('long' in t) or ('unsigned' in t) \
+                        or ('size_t' in t) or ('bool' in t):
                     out('       ctf_integer(' + t + ', ' + n + ', ' + n + ')')
                 elif ('double' in t) or ('float' in t):
                     out('       ctf_float(' + t + ', ' + n + ', ' + n + ')')