diff --git a/src/modules/sdlog2/sdlog2.c b/src/modules/sdlog2/sdlog2.c
index f1648037c0..0fb8254a92 100644
--- a/src/modules/sdlog2/sdlog2.c
+++ b/src/modules/sdlog2/sdlog2.c
@@ -1793,7 +1793,7 @@ int sdlog2_thread_main(int argc, char *argv[])
 			log_msg.msg_type = LOG_EST1_MSG;
 			unsigned maxcopy1 = ((sizeof(buf.estimator_status.states) - maxcopy0) < sizeof(log_msg.body.log_EST1.s)) ? (sizeof(buf.estimator_status.states) - maxcopy0) : sizeof(log_msg.body.log_EST1.s);
 			memset(&(log_msg.body.log_EST1.s), 0, sizeof(log_msg.body.log_EST1.s));
-			memcpy(&(log_msg.body.log_EST1.s), buf.estimator_status.states + maxcopy0, maxcopy1);
+			memcpy(&(log_msg.body.log_EST1.s), ((char*)buf.estimator_status.states) + maxcopy0, maxcopy1);
 			LOGBUFFER_WRITE_AND_COUNT(EST1);
 
 			log_msg.msg_type = LOG_EST2_MSG;
@@ -1805,7 +1805,7 @@ int sdlog2_thread_main(int argc, char *argv[])
 			log_msg.msg_type = LOG_EST3_MSG;
 			unsigned maxcopy3 = ((sizeof(buf.estimator_status.covariances) - maxcopy2) < sizeof(log_msg.body.log_EST3.cov)) ? (sizeof(buf.estimator_status.covariances) - maxcopy2) : sizeof(log_msg.body.log_EST3.cov);
 			memset(&(log_msg.body.log_EST3.cov), 0, sizeof(log_msg.body.log_EST3.cov));
-			memcpy(&(log_msg.body.log_EST3.cov), buf.estimator_status.covariances + maxcopy2, maxcopy3);
+			memcpy(&(log_msg.body.log_EST3.cov), ((char*)buf.estimator_status.covariances) + maxcopy2, maxcopy3);
 			LOGBUFFER_WRITE_AND_COUNT(EST3);
 		}