diff --git a/base/bc/bc.SMBuild b/base/bc/bc.SMBuild
old mode 100755
new mode 100644
index 787f05b..7deae19
--- a/base/bc/bc.SMBuild
+++ b/base/bc/bc.SMBuild
@@ -17,10 +17,11 @@ prepbuilddir() {
 }
 
 build() {
-  ./configure.sh -EHNG
+  PREFIX=/usr \
+  ./configure.sh -EHNG \
 
   make all
-  make install DESTDIR=$pkg BINDIR="/bin" MAN1DIR="/usr/share/man/man1"
+  make install DESTDIR=$pkg
 
   cp LICENSE.md $pkgdocs