diff --git a/debian/rules b/debian/rules
index c438397..ad7c42f 100755
--- a/debian/rules
+++ b/debian/rules
@@ -5,7 +5,7 @@
 export DEB_CFLAGS_MAINT_APPEND += -DLANG_ENG -Wall
 
 %:
-	dh $@ --parallel --builddirectory=build/
+	dh $@ --builddirectory=build/
 
 override_dh_auto_install:
 	dh_auto_install --builddirectory=build/ --destdir=debian/printer-driver-pnm2ppa/