diff --git a/tools/pdbgen/pdb/plug_in_compat.pdb b/tools/pdbgen/pdb/plug_in_compat.pdb
index 7b5b6af9fb..fb638dcb8b 100644
--- a/tools/pdbgen/pdb/plug_in_compat.pdb
+++ b/tools/pdbgen/pdb/plug_in_compat.pdb
@@ -652,9 +652,9 @@ HELP
 
       switch (bmode)
         {
-        case 0: border = GEGL_ABYSS_CLAMP;
-        case 1: border = GEGL_ABYSS_LOOP;
-        case 2: border = GEGL_ABYSS_NONE;
+        case 0: border = GEGL_ABYSS_CLAMP; break;
+        case 1: border = GEGL_ABYSS_LOOP; break;
+        case 2: border = GEGL_ABYSS_NONE; break;
         }
 
       node = gegl_node_new_child (NULL,