diff --git a/app/pdb/context-cmds.c b/app/pdb/context-cmds.c
index fee7882c14..0482d0f347 100644
--- a/app/pdb/context-cmds.c
+++ b/app/pdb/context-cmds.c
@@ -3606,7 +3606,7 @@ register_context_procs (GimpPDB *pdb)
                                g_param_spec_double ("size",
                                                     "size",
                                                     "Brush size in pixels",
-                                                    0, G_MAXDOUBLE, 0,
+                                                    1, 10000, 1,
                                                     GIMP_PARAM_READWRITE));
   gimp_pdb_register_procedure (pdb, procedure);
   g_object_unref (procedure);
diff --git a/tools/pdbgen/pdb/context.pdb b/tools/pdbgen/pdb/context.pdb
index ac706a9922..60c2492e88 100644
--- a/tools/pdbgen/pdb/context.pdb
+++ b/tools/pdbgen/pdb/context.pdb
@@ -1016,7 +1016,7 @@ sub context_set_brush_size {
     &ejs_pdb_misc('2012', '2.8');
 
     @inargs = (
-        { name => "size", type => "0 < float",
+        { name => "size", type => "1 <= float <= 10000",
           desc => "Brush size in pixels" }
     );