diff --git a/projects/mips_sys/tools/src/flashgen.c b/projects/mips_sys/tools/src/flashgen.c
index 50b59f9..4b75814 100644
--- a/projects/mips_sys/tools/src/flashgen.c
+++ b/projects/mips_sys/tools/src/flashgen.c
@@ -76,7 +76,7 @@ int main(int argc, char *argv[])
 	}
 
 	basename(pFilenameIn, name_prj);
-	sprintf(name_flash, "%s.flash", name_prj);
+	sprintf(name_flash, "%s.flash.bin", name_prj);
 
 	// determine filesize
 	fseek(pFile, 0, SEEK_SET);