diff --git a/friendica-find-missing-servers.sh b/friendica-find-missing-servers.sh
index 6bf3a64..a43edb9 100755
--- a/friendica-find-missing-servers.sh
+++ b/friendica-find-missing-servers.sh
@@ -39,7 +39,7 @@ then
 		echo "Amount of unique sites: ${#sites[@]}"
 		for a in "${sites[@]}"
 		do
-			loop_1 $a &
+			loop_1 "$a" &
 			if [[ $(jobs -r -p | wc -l) -ge $(expr $(getconf _NPROCESSORS_ONLN)*2) ]]
 			then
 				wait -n
@@ -56,7 +56,7 @@ then
 	then
 		for b in "${sitesdown[@]}"
 		do
-			loop_2 $b &
+			loop_2 "$b" &
 			if [[ $(jobs -r -p | wc -l) -ge $(expr $(getconf _NPROCESSORS_ONLN)/2) ]]
 			then
 				wait -n
@@ -67,7 +67,7 @@ then
 	fi
 	while read -r lineb; do
 		#The community no longer exists, delete
-		loop_3 $lineb &
+		loop_3 "$lineb" &
 		if [[ $(jobs -r -p | wc -l) -ge $(expr $(getconf _NPROCESSORS_ONLN)/2) ]]
 		then
 			wait -n
diff --git a/friendica-fix-avatar-permissions.sh b/friendica-fix-avatar-permissions.sh
index d4d3d8e..77ffc37 100755
--- a/friendica-fix-avatar-permissions.sh
+++ b/friendica-fix-avatar-permissions.sh
@@ -40,7 +40,7 @@ grep -e "https://$site/$avatarfolder/" "$tmpfile" | sed -e "s/.*$site/$folderesc
 					#Specific compression for large GIF files
 					while [[ $(stat -c%s "${p}") -ge 512000 ]]
 					do
-						gifsicle "${p}" `seq -f "#%g" 0 2 99` -O3 --lossy=80 --colors=255 -o "${p}" & #&> /dev/null
+						gifsicle "${p}" $(seq -f "#%g" 0 2 99) -O3 --lossy=80 --colors=255 -o "${p}" & #&> /dev/null
 						if [[ $(jobs -r -p | wc -l) -ge $(getconf _NPROCESSORS_ONLN) ]]
 						then
 							wait -n
diff --git a/media-optimize-local.sh b/media-optimize-local.sh
index c1cf8c8..28585bf 100755
--- a/media-optimize-local.sh
+++ b/media-optimize-local.sh
@@ -46,7 +46,7 @@ IFS="
                 size_original=$(stat -c%s "${s}")
                 if [ "$size_original" -gt "$size_new" ]
                 then
-                    mv /tmp/"${s##.*\/}"_temp.webp $s
+                    mv /tmp/"${s##.*\/}"_temp.webp "$s"
                 else
                     rm /tmp/"${s##.*\/}"_temp.webp
                 fi