diff --git a/misc.c b/misc.c
index bc7804fc3..d8856094b 100644
--- a/misc.c
+++ b/misc.c
@@ -1149,7 +1149,7 @@ duplicateargs(arglist *dest, arglist *source)
 	
 	if (source->list != NULL) {
 		for (int i = 0; i < source->num; i++) {
-			addargs(dest, source->list[i]);
+			addargs(dest, "%s", source->list[i]);
 		}
 	}
 }
diff --git a/regress/scp.sh b/regress/scp.sh
index 63bfa88d5..e491512b4 100644
--- a/regress/scp.sh
+++ b/regress/scp.sh
@@ -105,6 +105,16 @@ for mode in scp sftp ; do
 	 $SCP "${scpopts[@]}" *metachar* ${DIR2} 2>&1 2>/dev/null; \
 	 [ ! -f metachartest ] ) || fail "shell metacharacters"
 
+	if test $mode = scp ; then
+		verbose "$tag: input args & printf check"
+		scpclean
+		cp ${DATA} ${COPY}
+		$SCP "${scpopts[@]}" -vvv -o '"%h %p"' ${COPY} somehost:${DIR} 2>&1 | tee scp_printf_test.txt
+		# relies on debug log statement, specifically from "debug3: spawning..." 
+		[[ " $( cat "scp_printf_test.txt" ) " =~ "%h %p" ]] || fail "input args & printf check failed"
+		rm -f scp_printf_test.txt
+	fi
+
 	if [ ! -z "$SUDO" ]; then
 		verbose "$tag: skipped file after scp -p with failed chown+utimes"
 		scpclean