diff --git a/src/cmd/5g/reg.c b/src/cmd/5g/reg.c
index 09fff97..5011e75 100644
--- a/src/cmd/5g/reg.c
+++ b/src/cmd/5g/reg.c
@@ -137,6 +137,7 @@
 	uint32 vreg;
 	Bits bit;
 
+return; // disabled for the moment
 	if(first == 0) {
 		fmtinstall('Q', Qconv);
 	}