diff --git a/freeipa.spec.in b/freeipa.spec.in
index 65d8050e0..d44f4bd0c 100644
--- a/freeipa.spec.in
+++ b/freeipa.spec.in
@@ -932,7 +932,7 @@ install/tools/ipactl
 ipa
 '
 for P in $PY3_SUBST_PATHS; do
-    sed -i -e '1 s|^#!.*\bpython[0-9]*\(\s\+-\)\?|#!%{__python3} -bb|' $P
+    sed -i -e '1 s|^#!\s\?.*\bpython[0-9]*|#!%{__python3}|' $P
 done;
 
 %endif # with_python3