diff --git a/python/analysis/analysis.sip b/python/analysis/analysis.sip
index aa13548ddd47..c8f57a1f0756 100644
--- a/python/analysis/analysis.sip
+++ b/python/analysis/analysis.sip
@@ -1,5 +1,5 @@
 %Module(name=qgis._analysis,
-        keyword_arguments="Optional")
+        keyword_arguments="All")
 
 %Import QtCore/QtCoremod.sip
 %Import QtGui/QtGuimod.sip
diff --git a/python/core/core.sip b/python/core/core.sip
index 64d38f8f41b1..59d80620d7c7 100644
--- a/python/core/core.sip
+++ b/python/core/core.sip
@@ -1,5 +1,5 @@
 %Module(name=qgis._core,
-        keyword_arguments="Optional")
+        keyword_arguments="All")
 
 %ModuleCode
 
diff --git a/python/gui/gui.sip b/python/gui/gui.sip
index 3701e8b9cdb9..9bf607330d51 100644
--- a/python/gui/gui.sip
+++ b/python/gui/gui.sip
@@ -1,5 +1,5 @@
 %Module(name=qgis._gui,
-        keyword_arguments="Optional")
+        keyword_arguments="All")
 
 %Feature HAVE_QSCI_SIP
 
diff --git a/python/server/server.sip b/python/server/server.sip
index 8c868e8a5c92..2c3c2acf0d70 100644
--- a/python/server/server.sip
+++ b/python/server/server.sip
@@ -1,5 +1,5 @@
 %Module(name=qgis._server,
-        keyword_arguments="Optional")
+        keyword_arguments="All")
 
 
 %Import QtCore/QtCoremod.sip