3 files changed, 5 insertions, 4 deletions
diff --git a/src/cmd/astro/main.c b/src/cmd/astro/main.c
index 687695c8..7806575a 100644
--- a/src/cmd/astro/main.c
+++ b/src/cmd/astro/main.c
@@ -1,6 +1,6 @@
 #include "astro.h"
 
-char*	herefile = SYS9 "/lib/sky/here";
+char*	herefile;
 
 int
 main(int argc, char *argv[])
@@ -14,6 +14,9 @@ main(int argc, char *argv[])
 	radsec = radian/3600;
 	converge = 1.0e-14;
 
+	startab = unsharp("#9/lib/sky/estartab");
+	herefile = unsharp("#9/lib/sky/estartab");
+
 	fmtinstall('R', Rconv);
 	fmtinstall('D', Dconv);
 
diff --git a/src/cmd/astro/mkfile b/src/cmd/astro/mkfile
index 6fa05c1b..f4db22f1 100644
--- a/src/cmd/astro/mkfile
+++ b/src/cmd/astro/mkfile
@@ -37,6 +37,4 @@ HFILES=astro.h\
 
 SHORTLIB=bio 9
 
-CFLAGS= -DSYS9=\"$PLAN9\"
-
 <$PLAN9/src/mkone
diff --git a/src/cmd/astro/stars.c b/src/cmd/astro/stars.c
index 52800f42..4036adae 100644
--- a/src/cmd/astro/stars.c
+++ b/src/cmd/astro/stars.c
@@ -1,6 +1,6 @@
 #include "astro.h"
 
-char*	startab = SYS9 "/lib/sky/estartab";
+char*	startab;
 
 void
 stars(void)