diff --git a/devices/geiger/gqgmc.go b/devices/geiger/gqgmc.go
index 95ffdc463e9052bc13c0a984c93c2e1e59fa1ad2..76986b2d7b7f782af463ae7bda2f846f3f552dc7 100644
--- a/devices/geiger/gqgmc.go
+++ b/devices/geiger/gqgmc.go
@@ -144,7 +144,7 @@ func NewGQGMC(c Config) (*GQGMCCounter, error) {
 	}
 	gc.port = p
 	v, err = gc.communicate(cmdGetVersion, 14)
-	gc.model = string(v[:6])
+	gc.model = string(v[:7])
 	gc.version = string(v[7:])
 	gc.shortVer = string(v[10:])
 	//getConfigurationData()