diff --git a/debian/rules b/debian/rules
index fd2d375af345225e376a87caa45a94c003c0767d..d7eb2a51e872039140f6b008b86029ee471ee2ab 100755
--- a/debian/rules
+++ b/debian/rules
@@ -5,14 +5,14 @@ PKD  = $(abspath $(dir $(MAKEFILE_LIST)))
 #PKG  = $(word 2,$(shell dpkg-parsechangelog -l$(PKD)/changelog --show-field=Source))
 PKG  = $(shell dpkg-parsechangelog -l$(PKD)/changelog --show-field=Source)
 VER ?= $(shell dpkg-parsechangelog -l$(PKD)/changelog | perl -ne 'print $$1 if m{^Version:\s+(?:\d+:)?(\d.*)(?:\-\d+.*)};')
-DISTRIB_ID = $(shell grep -hPo "ID=\K.*" /etc/*ease)
-DISTRIB_VERSION_ID = $(shell grep -hPo "VERSION_ID=\K.*" /etc/*ease)
+DISTRIB_ID = $(shell grep -hPo "^ID=\K.*" /etc/*ease)
+DISTRIB_VERSION_ID = $(shell grep -hPo "^VERSION_ID=\K.*" /etc/*ease)
 
 # Uncomment this to turn on verbose mode.
 export DH_VERBOSE=1
 
 %:
-	dh $@ 
+	dh $@
 
 override_dh_auto_configure:
 	mkdir -p contrib/native && cd contrib/native && ../bootstrap --disable-ogg --disable-flac --disable-vorbis --disable-vorbisenc --disable-speex --disable-sndfile --disable-speexdsp --disable-gnutls && make list && make -j 2