diff --git a/src/ifcwrap/utils/typemaps_out.i b/src/ifcwrap/utils/typemaps_out.i
index 6be9b98110..338898db69 100644
--- a/src/ifcwrap/utils/typemaps_out.i
+++ b/src/ifcwrap/utils/typemaps_out.i
@@ -128,6 +128,7 @@
 	}
 %enddef
 
+CREATE_VECTOR_TYPEMAP_OUT(bool)
 CREATE_VECTOR_TYPEMAP_OUT(int)
 CREATE_VECTOR_TYPEMAP_OUT(unsigned int)
 CREATE_VECTOR_TYPEMAP_OUT(double)