diff --git a/CMakeLists.txt b/CMakeLists.txt
index f3a0b525c8c..250d5745c05 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1543,9 +1543,10 @@ if(DPKG_PROGRAM)
     ${PROJECT_SOURCE_DIR}/cpack/debian/conffiles
     )
 
+  set(LDCONFIG_SCRIPT_CMDS "")
   if(FLB_RUN_LDCONFIG)
     set(LDCONFIG_DIR ${FLB_INSTALL_LIBDIR})
-    file(WRITE ${PROJECT_BINARY_DIR}/scripts/postinst "
+    set(LDCONFIG_SCRIPT_CMDS "
 mkdir -p /etc/ld.so.conf.d
 echo \"${LDCONFIG_DIR}\" > /etc/ld.so.conf.d/libfluent-bit.conf
 ldconfig
@@ -1554,9 +1555,19 @@ ldconfig
 rm -f -- /etc/ld.so.conf.d/libfluent-bit.conf
 ldconfig
     ")
-    set(CPACK_DEBIAN_RUNTIME_PACKAGE_CONTROL_EXTRA "${PROJECT_BINARY_DIR}/scripts/postinst;${PROJECT_BINARY_DIR}/scripts/prerm")
+    list(APPEND CPACK_DEBIAN_RUNTIME_PACKAGE_CONTROL_EXTRA "${PROJECT_BINARY_DIR}/scripts/postinst;${PROJECT_BINARY_DIR}/scripts/prerm")
   endif(FLB_RUN_LDCONFIG)
 
+  configure_file(
+    "${CMAKE_CURRENT_SOURCE_DIR}/cpack/debian/postinst.in"
+    "${PROJECT_BINARY_DIR}/scripts/postinst"
+  )
+  execute_process(
+    COMMAND "${CMAKE_COMMAND}" -E chmod +x
+            "${PROJECT_BINARY_DIR}/scripts/postinst"
+  )
+
+  list(APPEND CPACK_DEBIAN_RUNTIME_PACKAGE_CONTROL_EXTRA "${PROJECT_BINARY_DIR}/scripts/postinst")
 endif()
 
 # RPM Generation information
diff --git a/cpack/debian/postinst.in b/cpack/debian/postinst.in
new file mode 100644
index 00000000000..99ccdf4d099
--- /dev/null
+++ b/cpack/debian/postinst.in
@@ -0,0 +1,9 @@
+#!/bin/sh
+set -e
+@LDCONFIG_SCRIPT_CMDS@
+if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
+    if [ -d /run/systemd/system ]; then
+        systemctl --system daemon-reload >/dev/null || true
+        systemctl try-restart @FLB_OUT_NAME@.service >/dev/null || true
+    fi
+fi