diff --git a/draft/boards/sixfab_GSM:GPRS.png b/draft/boards/sixfab-gsmgprs-shield.png
similarity index 100%
rename from draft/boards/sixfab_GSM:GPRS.png
rename to draft/boards/sixfab-gsmgprs-shield.png
diff --git a/draft/overlay/sixfab_GSM:GPRS.md b/draft/overlay/sixfab-gsmgprs-shield.md
similarity index 100%
rename from draft/overlay/sixfab_GSM:GPRS.md
rename to draft/overlay/sixfab-gsmgprs-shield.md