diff --git a/scripts/fixup-pkgconfig.in b/scripts/fixup-pkgconfig.in
index e5ef460..3cb6052 100755
--- a/scripts/fixup-pkgconfig.in
+++ b/scripts/fixup-pkgconfig.in
@@ -33,7 +33,7 @@ fix()
 
 	local includedir=
 	local libdir=
-	sed -ne "s/^\(\([a-z_]*\)\(prefix\|dir\|path\)\)=\(.*\)\$/local \1=\4/pg" "$f" >"$TMPFILE" || return 1
+	sed -ne "s/^\(\([a-z_]*\)\(prefix\|dir\|path\)\)=[[:space:]]*\(.*\)\$/local \1=\4/pg" "$f" >"$TMPFILE" || return 1
 
 	# source parameters