diff --git a/Makefile b/Makefile
index fe290730..83b1a26b 100644
--- a/Makefile
+++ b/Makefile
@@ -83,7 +83,7 @@ IO_LIBRARY ?= sky130_fd_io
 PRIMITIVES_LIBRARY ?= sky130_fd_pr
 SKYWATER_COMMIT ?= c094b6e83a4f9298e47f696ec5a7fd53535ec5eb
 OPEN_PDKS_COMMIT ?= 14db32aa8ba330e88632ff3ad2ff52f4f4dae1ad
-INSTALL_SRAM ?= disabled
+INSTALL_SRAM ?= no   #   = yes to enable
 
 .DEFAULT_GOAL := ship
 # We need portable GDS_FILE pointers...
diff --git a/scripts/gen_gpio_defaults.py b/scripts/gen_gpio_defaults.py
index 4b900e48..a53ac887 100755
--- a/scripts/gen_gpio_defaults.py
+++ b/scripts/gen_gpio_defaults.py
@@ -265,7 +265,7 @@ if __name__ == '__main__':
 
     if testmode:
         print('Test only:  Caravel layout:')
-    with open(caravel_path + 'mag/caravel.mag', 'r') as ifile:
+    with open(caravel_path + '/mag/caravel.mag', 'r') as ifile:
         maglines = ifile.read().splitlines()
         outlines = []
         for magline in maglines: