He, however, admitted that the team must continue to improve.
Chelle admitted that the clash would be difficult for Nigeria but said his team would conduct its analysis after the final training session later in the evening.
Semi Ajayi opened the scoring for Nigeria in the 36th minute.
“We are happy to be here,” the coach said.
The Super Eagles will depart for Fés on Thursday for Group C clashes with Tanzania, Tunisia and Uganda, as Egypt head to Agadir for Group B ties.
Super Eagles goalkeeper Francis Uzoho has declared his readiness for international duty following his recall for the 2025 Africa Cup of Nations.
The three-time African champions are scheduled to hold their first training session later this evening.
The Super Eagles are in Group C of the AFCON alongside 2004 champions Tunisia, 1978 runners-up Uganda, and Tanzania.
The names on the list are expected to be trimmed later to 28 players.
Super Eagles head coach Eric Chelle has accused the Democratic Republic of Congo of using voodoo in their victory against Nigeria.
