diff --git a/tmtcpacket/pus/TmPacketBase.cpp b/tmtcpacket/pus/TmPacketBase.cpp
index a7bda5af..a2c27ce1 100644
--- a/tmtcpacket/pus/TmPacketBase.cpp
+++ b/tmtcpacket/pus/TmPacketBase.cpp
@@ -102,6 +102,11 @@ void TmPacketBase::initializeTmPacket(uint16_t apid, uint8_t service, uint8_t su
 	}
 }
 
+void TmPacketBase::setSourceData(uint8_t* sourceData, size_t sourceSize) {
+	memcpy(getSourceData(), sourceData, sourceSize);
+	setSourceDataSize(sourceSize);
+}
+
 void TmPacketBase::setSourceDataSize(uint16_t size) {
 	setPacketDataLength(size + sizeof(PUSTmDataFieldHeader) + CRC_SIZE - 1);
 }
diff --git a/tmtcpacket/pus/TmPacketBase.h b/tmtcpacket/pus/TmPacketBase.h
index d03beba5..583a5495 100644
--- a/tmtcpacket/pus/TmPacketBase.h
+++ b/tmtcpacket/pus/TmPacketBase.h
@@ -125,6 +125,13 @@ public:
 	 * current content of the packet.
 	 */
 	void setErrorControl();
+	/**
+	 * This sets the source data. It copies the provided data to
+	 * the internal TmPacketPointer.
+	 * @param sourceData
+	 * @param sourceSize
+	 */
+	void setSourceData(uint8_t* sourceData, size_t sourceSize);
 	/**
 	 * With this method, the packet data pointer can be redirected to another
 	 * location.