diff --git a/src/freedombone-app-pleroma b/src/freedombone-app-pleroma
index 39d45a3a..e9b2f531 100755
--- a/src/freedombone-app-pleroma
+++ b/src/freedombone-app-pleroma
@@ -92,7 +92,7 @@ function expire_pleroma_posts {
 
     echo '#!/bin/bash' > $pleroma_expire_posts_script
     echo "plmonths=\"$PLEROMA_EXPIRE_MONTHS\"" >> $pleroma_expire_posts_script
-    echo 'if [ ! ${#plmonths} -eq 0 ]; then' >> $pleroma_expire_posts_script
+    echo 'if [ ${#plmonths} -eq 0 ]; then' >> $pleroma_expire_posts_script
     echo '    exit 1' >> $pleroma_expire_posts_script
     echo 'fi' >> $pleroma_expire_posts_script
     echo 'if [[ "$plmonths" == "0" ]]; then' >> $pleroma_expire_posts_script