diff --git a/compiler/memchar.py b/compiler/memchar.py
index 99c6492f..4de9e58c 100755
--- a/compiler/memchar.py
+++ b/compiler/memchar.py
@@ -28,6 +28,8 @@ if len(args) != 2:
     print(USAGE)
     sys.exit(2)
 
+OPTS.top_process = 'memchar'
+
 # These depend on arguments, so don't load them until now.
 import debug
 
diff --git a/compiler/memfunc.py b/compiler/memfunc.py
index 87686455..c0dfe25e 100755
--- a/compiler/memfunc.py
+++ b/compiler/memfunc.py
@@ -28,6 +28,8 @@ if len(args) != 3:
     print(USAGE)
     sys.exit(2)
 
+OPTS.top_process = 'memfunc'
+
 # Parse argument
 config_file = args[0]
 cycles = int(args[1])
diff --git a/compiler/openram.py b/compiler/openram.py
index 5c4f4df7..a0dcdfba 100755
--- a/compiler/openram.py
+++ b/compiler/openram.py
@@ -27,6 +27,8 @@ if len(args) != 1:
     print(g.USAGE)
     sys.exit(2)
 
+# Set top process to openram
+OPTS.top_process = 'openram'
 
 # These depend on arguments, so don't load them until now.
 import debug