Index: bin/emerge
===================================================================
--- bin/emerge	(revision 4933)
+++ bin/emerge	(working copy)
@@ -1424,13 +1424,15 @@
 			bindb  = self.trees[myroot]["bintree"].dbapi
 			vartree = self.trees[myroot]["vartree"]
 			pkgsettings = self.pkgsettings[myroot]
-			pkgsettings.setcpv(pkg_key)
-			if pkg_key not in self.useFlags[myroot]:
-				if "binary" == pkg_type:
-					self.useFlags[myroot][pkg_key] = bindb.aux_get(
-							pkg_key, ["USE"])[0].split()
-				elif "ebuild" == pkg_type:
-					self.useFlags[myroot][pkg_key] = pkgsettings["USE"].split()
+			if pkg_type != "blocks":
+				pkgsettings.setcpv(pkg_key)
+				if pkg_key not in self.useFlags[myroot]:
+					if "binary" == pkg_type:
+						self.useFlags[myroot][pkg_key] = bindb.aux_get(
+								pkg_key, ["USE"])[0].split()
+					elif "ebuild" == pkg_type:
+						self.useFlags[myroot][pkg_key] = \
+							pkgsettings["USE"].split()
 
 			fetch=" "