diff --git a/src/base/build.mak b/src/base/build.mak
index 10b3c9fe..e3bb6084 100644
--- a/src/base/build.mak
+++ b/src/base/build.mak
@@ -102,7 +102,9 @@ ifndef PSP_EBOOT_ICON1
 PSP_EBOOT_ICON1 = NULL
 endif
 
-ifndef PSP_EBOOT_PIC0
+ifdef PSP_EBOOT_UNKPNG
+PSP_EBOOT_PIC0 = $(PSP_EBOOT_UNKPNG)
+else ifndef PSP_EBOOT_PIC0
 PSP_EBOOT_PIC0 = NULL
 endif