diff --git a/fhem/contrib/signal/signal_install.sh b/fhem/contrib/signal/signal_install.sh
index 26dd60bdd..32e0ad10f 100755
--- a/fhem/contrib/signal/signal_install.sh
+++ b/fhem/contrib/signal/signal_install.sh
@@ -148,7 +148,7 @@ fi
 GLIBC=`ldd --version |  grep -m1 -o '[0-9]\.[0-9][0-9]' | head -n 1`
 
 IDENTSTR=$ARCH-glibc$GLIBC-$SIGNALVERSION
-KNOWN=("amd64-glibc2.27-0.9.0" "amd64-glibc2.28-0.9.0" "amd64-glibc2.31-0.9.0" "armhf-glibc2.28-0.9.0","amd64-glibc2.27-0.9.2" "amd64-glibc2.28-0.9.2" "amd64-glibc2.31-0.9.2" "armhf-glibc2.28-0.9.2")
+KNOWN=("amd64-glibc2.27-0.9.0" "amd64-glibc2.28-0.9.0" "amd64-glibc2.31-0.9.0" "armhf-glibc2.28-0.9.0" "amd64-glibc2.27-0.9.2" "amd64-glibc2.28-0.9.2" "amd64-glibc2.31-0.9.2" "armhf-glibc2.28-0.9.2")
 
 GETLIBS=1
 if [[ ! " ${KNOWN[*]} " =~ " ${IDENTSTR} " ]]; then