diff --git a/dietpi/pre-patch_file b/dietpi/pre-patch_file
index 71ff8a5430..650e2b6794 100644
--- a/dietpi/pre-patch_file
+++ b/dietpi/pre-patch_file
@@ -147,6 +147,14 @@ Pin: release n=stretch-backports
 Pin-Priority: 500
 _EOF_
 
+		fi
+		#-------------------------------------------------------------------------------
+		# Pre-patch 11: https://github.com/MichaIng/DietPi/issues/3029
+		if (( $G_DIETPI_VERSION_SUB < 26 )) && [[ -f '/etc/apt/sources.list.d/sonarr.list' ]]; then
+
+			echo -e '\e[90m[\e[0m INFO \e[90m]\e[0m Pre-patch 11 | Updating Sonarr APT repository key'
+			apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 0xA236C58F409091A18ACA53CBEBFF6B99D9B78493 || { EXIT_CODE=11; break; }
+
 		fi
 		#-------------------------------------------------------------------------------
 		# Finished