diff --git a/gf180mcu/magic/gf180mcu.magicrc b/gf180mcu/magic/gf180mcu.magicrc
index 1fa2e18..5f8aa24 100644
--- a/gf180mcu/magic/gf180mcu.magicrc
+++ b/gf180mcu/magic/gf180mcu.magicrc
@@ -27,6 +27,9 @@
 # loading technology
 tech load $PDK_ROOT/TECHNAME/MAGIC_CURRENT/TECHNAME.tech
 
+# halt on error
+if {[tech name] != "TECHNAME"} {quit -noprompt}
+
 # load device generator
 source $PDK_ROOT/TECHNAME/MAGIC_CURRENT/TECHNAME.tcl
 
diff --git a/sky130/magic/sky130.magicrc b/sky130/magic/sky130.magicrc
index 6138b58..7b7ac69 100644
--- a/sky130/magic/sky130.magicrc
+++ b/sky130/magic/sky130.magicrc
@@ -35,6 +35,13 @@
 tech load $PDK_ROOT/TECHNAME/MAGIC_CURRENT/TECHNAME.tech
 #endif
 
+# halt on error
+#ifdef FULLTECH
+if {[tech name] != "TECHNAME-F"} {quit -noprompt}
+#else
+if {[tech name] != "TECHNAME"} {quit -noprompt}
+#endif
+
 # load device generator
 source $PDK_ROOT/TECHNAME/MAGIC_CURRENT/TECHNAME.tcl