diff --git a/libr/main/rasm2.c b/libr/main/rasm2.c
index c26c95f196..2b52664f29 100644
--- a/libr/main/rasm2.c
+++ b/libr/main/rasm2.c
@@ -204,7 +204,12 @@ static void rasm2_list(RAsmState *as, const char *arch) {
 			bits[0] = 0;
 			if (h->bits == 27) {
 				strcat (bits, "27");
+			} else if (h->bits == 0) {
+				strcat (bits, "any");
 			} else {
+				if (h->bits & 4) {
+					strcat (bits, "4 ");
+				}
 				if (h->bits & 8) {
 					strcat (bits, "8 ");
 				}
diff --git a/test/db/tools/rasm2 b/test/db/tools/rasm2
index f4cdb6c099..33e4e043a7 100644
--- a/test/db/tools/rasm2
+++ b/test/db/tools/rasm2
@@ -1,3 +1,13 @@
+NAME=rasm2 i4004
+FILE=-
+CMDS=<<EOF
+!!rasm2 -L~4004
+EOF
+EXPECT=<<EOF
+_dAe  4          i4004       LGPL3   Intel 4004 microprocessor
+EOF
+RUN
+
 NAME=rasm2 arm asm/dis endian
 FILE=-
 CMDS=<<EOF