diff --git a/dka-crtls/ds_arm7_crt0.S b/dka-crtls/ds_arm7_crt0.s
similarity index 100%
rename from dka-crtls/ds_arm7_crt0.S
rename to dka-crtls/ds_arm7_crt0.s
diff --git a/dka-crtls/ds_arm9_crt0.S b/dka-crtls/ds_arm9_crt0.s
similarity index 100%
rename from dka-crtls/ds_arm9_crt0.S
rename to dka-crtls/ds_arm9_crt0.s
diff --git a/dka-crtls/ds_cart_crt0.S b/dka-crtls/ds_cart_crt0.s
similarity index 100%
rename from dka-crtls/ds_cart_crt0.S
rename to dka-crtls/ds_cart_crt0.s