diff --git a/meta/classes/package_rpm.bbclass b/meta/classes/package_rpm.bbclass
index 9a854f3..b4bd374 100644
--- a/meta/classes/package_rpm.bbclass
+++ b/meta/classes/package_rpm.bbclass
@@ -329,10 +329,11 @@ python write_specfile () {
 				ver = depends_dict[dep]
 				if dep and ver:
 					if '-' in ver:
-						subd = oe.packagedata.read_subpkgdata_dict(dep, d)
-						pv = subd['PKGV']
-						reppv = pv.replace('-', '+')
-						ver = ver.replace(pv, reppv)
+						subd = oe.packagedata.read_subpkgdata(dep, d)
+						if 'PKGV' in subd:
+							pv = subd['PKGV']
+							reppv = pv.replace('-', '+')
+							ver = ver.replace(pv, reppv)
 				newdeps_dict[dep] = ver
 			depends = bb.utils.join_deps(newdeps_dict)
 			bb.data.setVar(varname, depends.strip(), d)