diff --git a/source/blender/editors/animation/keyframes_general.cc b/source/blender/editors/animation/keyframes_general.cc
index 81dc82bf632..d855e4a327b 100644
--- a/source/blender/editors/animation/keyframes_general.cc
+++ b/source/blender/editors/animation/keyframes_general.cc
@@ -342,10 +342,10 @@ float get_default_rna_value(FCurve *fcu, PropertyRNA *prop, PointerRNA *ptr)
   switch (RNA_property_type(prop)) {
     case PROP_BOOLEAN:
       if (len) {
-        default_value = RNA_property_boolean_get_default_index(ptr, prop, fcu->array_index);
+        default_value = float(RNA_property_boolean_get_default_index(ptr, prop, fcu->array_index));
       }
       else {
-        default_value = RNA_property_boolean_get_default(ptr, prop);
+        default_value = float(RNA_property_boolean_get_default(ptr, prop));
       }
       break;
     case PROP_INT:
diff --git a/source/blender/editors/armature/pose_slide.cc b/source/blender/editors/armature/pose_slide.cc
index d356918a00a..95b41c82f59 100644
--- a/source/blender/editors/armature/pose_slide.cc
+++ b/source/blender/editors/armature/pose_slide.cc
@@ -539,10 +539,10 @@ static void pose_slide_apply_props(tPoseSlideOp *pso,
               if (UNLIKELY(uint(fcu->array_index) >= RNA_property_array_length(&ptr, prop))) {
                 break; /* Out of range, skip. */
               }
-              tval = RNA_property_boolean_get_index(&ptr, prop, fcu->array_index);
+              tval = float(RNA_property_boolean_get_index(&ptr, prop, fcu->array_index));
             }
             else {
-              tval = RNA_property_boolean_get(&ptr, prop);
+              tval = float(RNA_property_boolean_get(&ptr, prop));
             }
 
             pose_slide_apply_val(pso, fcu, pfl->ob, &tval);
diff --git a/source/blender/editors/gizmo_library/gizmo_types/primitive3d_gizmo.cc b/source/blender/editors/gizmo_library/gizmo_types/primitive3d_gizmo.cc
index 30a9cf76264..22655c17fbe 100644
--- a/source/blender/editors/gizmo_library/gizmo_types/primitive3d_gizmo.cc
+++ b/source/blender/editors/gizmo_library/gizmo_types/primitive3d_gizmo.cc
@@ -223,7 +223,7 @@ static void gizmo_primitive_setup(wmGizmo *gz)
   /* Default Values. */
   PrimitiveGizmo3D *gz_prim = (PrimitiveGizmo3D *)gz;
   gz_prim->draw_style = ED_GIZMO_PRIMITIVE_STYLE_PLANE;
-  gz_prim->arc_inner_factor = true;
+  gz_prim->arc_inner_factor = 1.0f;
   gz_prim->draw_inner = true;
 }
 
diff --git a/source/blender/editors/interface/interface.cc b/source/blender/editors/interface/interface.cc
index 148d8b4a8d0..4538e84207f 100644
--- a/source/blender/editors/interface/interface.cc
+++ b/source/blender/editors/interface/interface.cc
@@ -2515,10 +2515,10 @@ double ui_but_value_get(uiBut *but)
     switch (RNA_property_type(prop)) {
       case PROP_BOOLEAN:
         if (RNA_property_array_check(prop)) {
-          value = RNA_property_boolean_get_index(&but->rnapoin, prop, but->rnaindex);
+          value = double(RNA_property_boolean_get_index(&but->rnapoin, prop, but->rnaindex));
         }
         else {
-          value = RNA_property_boolean_get(&but->rnapoin, prop);
+          value = double(RNA_property_boolean_get(&but->rnapoin, prop));
         }
         break;
       case PROP_INT:
diff --git a/source/blender/python/intern/bpy_driver.cc b/source/blender/python/intern/bpy_driver.cc
index 42b4db9e710..f4b0e29ddb5 100644
--- a/source/blender/python/intern/bpy_driver.cc
+++ b/source/blender/python/intern/bpy_driver.cc
@@ -633,7 +633,7 @@ float BPY_driver_exec(PathResolvedRNA *anim_rna,
           dvar->curval = float(PyLong_AsLong(driver_arg));
         }
         else if (PyBool_Check(driver_arg)) {
-          dvar->curval = (driver_arg == Py_True);
+          dvar->curval = float(driver_arg == Py_True);
         }
         else {
           dvar->curval = 0.0f;