diff --git a/build.sh b/build.sh
index 8dc04fc..8afadce 100755
--- a/build.sh
+++ b/build.sh
@@ -14,13 +14,16 @@ LDFLAGS='-lircclient -lsqlite3'
 
 mkdir -p $PREFIX && echo "Made directory: $PREFIX"
 
-if [ ! -z ${DEBUG} ]; then CFLAG="$CFLAGS -Og -g3";
-                      else CPPFLAGS="$CPPFLAGS -DNDEBUG";
-                           CFLAG="$CFLAGS -O2 -flto=auto -fomit-frame-pointer -s"; fi
+# Bourne shell is evil
+if [ ${DEBUG} -eq 1 ]
+then
+  CFLAGS=`echo "${CFLAGS} -Og -g3"`
+else
+  CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+  CFLAGS=`echo "${CFLAGS} -O2 -flto=auto -fomit-frame-pointer -s"`
+fi
 
-[ ! -z ${SAN} ] && CFLAG="$CFLAGS -fsanitize=$SAN"
-
-[ ! -e $DIR/include/config.h ] && cp $DIR/include/config.mk.h $DIR/include/config.h
+[ ! -z ${SAN} ] && CFLAGS=`echo "$CFLAGS -fsanitize=$SAN"`
 
 echo "$CC $CFLAGS -pipe $DIR/src/unity.c -o $PREFIX/$PROGN $CPPFLAGS $LDFLAGS"
 $CC $CFLAGS -pipe $DIR/src/unity.c -o $PREFIX/$PROGN $CPPFLAGS $LDFLAGS