PATERSON -- A 7-year-old boy wounded by a stray bullet Monday appeared to be in good spirits and headed home Tuesday afternoon.

Diana DeLeon told NJ Advance Media her son Jaiden DeLeon was the child injured in Monday's shooting. Photos posted by the boy's mother on social media show Jaiden smiling while wearing a hospital gown.

"Little man is a trooper he up and walking...," wrote Diana DeLeon next to photo of Jaiden standing and smiling. "Called cops himself after getting shot..."

Jaiden was injured at around 6:15 p.m. when a stray bullet entered into the window of his apartment on the 100-block of Rosa Parks Boulevard, according to Paterson police director Jerry Speziale.

Speziale confirmed that the boy, who was home at the time with his grandmother, called 911 himself to report the incident.

"He's a strong individual," said Speziale of Jaiden. "This could of been a tragedy."

The 7-year-old was not the target and was a bystander in a shooting that occurred after a commotion outside, Speziale said.

The Passaic County Prosecutor's office said they were investigating the incident along with the Paterson Police Department Cease Fire Unit.

Speziale said he had full faith in those investigating matter.

Late Tuesday afternoon, a photo posted to social media by Diana DeLeon showed a smiling Jaiden in a wheelchair with the caption, "On our way home!!

Fausto Giovanny Pinto may be reached at fpinto@njadvancemedia.com. Follow him on Twitter @FGPreporting. Find NJ.com on Facebook.