diff --git a/config/filter.d/nginx-bad-request.conf b/config/filter.d/nginx-bad-request.conf
index 2b8f5ab6ef..12c14ab79a 100644
--- a/config/filter.d/nginx-bad-request.conf
+++ b/config/filter.d/nginx-bad-request.conf
@@ -11,4 +11,6 @@ datepattern = {^LN-BEG}%%ExY(?P<_sep>[-/.])%%m(?P=_sep)%%d[T ]%%H:%%M:%%S(?:[.,]
               ^[^\[]*\[({DATE})
               {^LN-BEG}
 
+journalmatch = _SYSTEMD_UNIT=nginx.service + _COMM=nginx
+
 # Author: Jan Przybylak
diff --git a/config/filter.d/nginx-botsearch.conf b/config/filter.d/nginx-botsearch.conf
index 0be895b210..2bd2307205 100644
--- a/config/filter.d/nginx-botsearch.conf
+++ b/config/filter.d/nginx-botsearch.conf
@@ -17,7 +17,9 @@ datepattern = {^LN-BEG}%%ExY(?P<_sep>[-/.])%%m(?P=_sep)%%d[T ]%%H:%%M:%%S(?:[.,]
               ^[^\[]*\[({DATE})
               {^LN-BEG}
 
+journalmatch = _SYSTEMD_UNIT=nginx.service + _COMM=nginx
+
 # DEV Notes:
 # Based on apache-botsearch filter
 # 
-# Author: Frantisek Sumsal
\ No newline at end of file
+# Author: Frantisek Sumsal
diff --git a/config/filter.d/nginx-http-auth.conf b/config/filter.d/nginx-http-auth.conf
index 93341cd254..3a2e314b9b 100644
--- a/config/filter.d/nginx-http-auth.conf
+++ b/config/filter.d/nginx-http-auth.conf
@@ -10,6 +10,8 @@ ignoreregex =
 
 datepattern = {^LN-BEG}
 
+journalmatch = _SYSTEMD_UNIT=nginx.service + _COMM=nginx
+
 # DEV NOTES:
 # Based on samples in https://github.com/fail2ban/fail2ban/pull/43/files
 # Extensive search of all nginx auth failures not done yet.
diff --git a/config/filter.d/nginx-limit-req.conf b/config/filter.d/nginx-limit-req.conf
index e23548ab21..2f45e8311c 100644
--- a/config/filter.d/nginx-limit-req.conf
+++ b/config/filter.d/nginx-limit-req.conf
@@ -44,3 +44,6 @@ failregex = ^\s*\[[a-z]+\] \d+#\d+: \*\d+ limiting requests, excess: [\d\.]+ by
 ignoreregex = 
 
 datepattern = {^LN-BEG}
+
+journalmatch = _SYSTEMD_UNIT=nginx.service + _COMM=nginx
+