diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 00000000..26d04251
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,4 @@
+# GitHub really wants to mark littlefs as a python project, telling it to
+# reclassify our test .toml files as C code (which they are 95% of anyways)
+# remedies this
+*.toml linguist-language=c
diff --git a/lfs2.c b/lfs2.c
index 2117bc7e..ef476855 100644
--- a/lfs2.c
+++ b/lfs2.c
@@ -1651,7 +1651,7 @@ static int lfs2_dir_commitcrc(lfs2_t *lfs2, struct lfs2_commit *commit) {
 
         commit->off = noff;
         // perturb valid bit?
-        commit->ptag = ntag ^ ((0x80 & ~eperturb) << 24);
+        commit->ptag = ntag ^ ((0x80UL & ~eperturb) << 24);
         // reset crc for next commit
         commit->crc = 0xffffffff;
 
diff --git a/lfs2_util.h b/lfs2_util.h
index 659e142c..dd2cbcc1 100644
--- a/lfs2_util.h
+++ b/lfs2_util.h
@@ -23,7 +23,6 @@
 // System includes
 #include <stdint.h>
 #include <stdbool.h>
-#include <sys/types.h>
 #include <string.h>
 #include <inttypes.h>