diff --git a/raspi-config b/raspi-config
index 01692eb..4c51fc7 100755
--- a/raspi-config
+++ b/raspi-config
@@ -35,7 +35,7 @@ is_pitwo() {
 }
 
 is_pizero() {
-   grep -q "^Revision\s*:\s*[ 123][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]09[0-9a-fA-F]$" /proc/cpuinfo
+   grep -q "^Revision\s*:\s*[ 123][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]0[9cC][0-9a-fA-F]$" /proc/cpuinfo
    return $?
 }