diff --git a/waterbox/picodrive/.vscode/settings.json b/waterbox/picodrive/.vscode/settings.json
index a5401e1c1f..6b4c2e48dd 100644
--- a/waterbox/picodrive/.vscode/settings.json
+++ b/waterbox/picodrive/.vscode/settings.json
@@ -2,5 +2,8 @@
 {
     "editor.tabSize": 4,
     "editor.insertSpaces": false,
-    "editor.detectIndentation": false
+	"editor.detectIndentation": false,
+	"files.associations": {
+		"*.inc": "cpp"
+	}
 }
\ No newline at end of file
diff --git a/waterbox/picodrive/pico/cart.c b/waterbox/picodrive/pico/cart.c
index 7a51701c15..926212e0b9 100644
--- a/waterbox/picodrive/pico/cart.c
+++ b/waterbox/picodrive/pico/cart.c
@@ -383,7 +383,7 @@ static int is_expr(const char *expr, char **pr)
   return 1;
 }
 
-#include "carthw_cfg.c"
+#include "carthw_cfg.inc"
 
 static void parse_carthw(const char *carthw_cfg, int *fill_sram)
 {
diff --git a/waterbox/picodrive/pico/carthw_cfg.c b/waterbox/picodrive/pico/carthw_cfg.inc
similarity index 99%
rename from waterbox/picodrive/pico/carthw_cfg.c
rename to waterbox/picodrive/pico/carthw_cfg.inc
index 91ddec74e6..c7658d614d 100644
--- a/waterbox/picodrive/pico/carthw_cfg.c
+++ b/waterbox/picodrive/pico/carthw_cfg.inc
@@ -1,5 +1,5 @@
 /* generated by ./tools/make_carthw_c, do not modify */
-static const char builtin_carthw_cfg[] =
+static const char *builtin_carthw_cfg =
   "[]\n"
   "check_str=0x150,\"Virtua Racing\"\n"
   "check_str=0x810,\"OHMP\"\n"