diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index b1b7141..6c2e208 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -1089,6 +1089,10 @@
 		}
 #endif
 
+		default:
+			PyErr_SetString(PyExc_ValueError,
+					"Unknown Bluetooth protocol");
+			return NULL;
 		}
 #endif
 
@@ -1140,7 +1144,7 @@
 					0,
 					a->scope);
 		} else {
-			PyErr_SetString(PyExc_TypeError,
+			PyErr_SetString(PyExc_ValueError,
 					"Invalid address type");
 			return NULL;
 		}