diff --git a/panda/src/express/hashVal.cxx b/panda/src/express/hashVal.cxx
index e8a018f026..e7f9e910cb 100644
--- a/panda/src/express/hashVal.cxx
+++ b/panda/src/express/hashVal.cxx
@@ -212,7 +212,7 @@ hash_buffer(const char *buffer, int length) {
 //               buffer and the following 8 positions.
 ////////////////////////////////////////////////////////////////////
 void HashVal::
-encode_hex(unsigned int val, char *buffer) {
+encode_hex(PN_uint32 val, char *buffer) {
   buffer[0] = tohex(val >> 28);
   buffer[1] = tohex(val >> 24);
   buffer[2] = tohex(val >> 20);
@@ -230,7 +230,7 @@ encode_hex(unsigned int val, char *buffer) {
 //               unsigned integer.
 ////////////////////////////////////////////////////////////////////
 void HashVal::
-decode_hex(const char *buffer, unsigned int &val) {
+decode_hex(const char *buffer, PN_uint32 &val) {
   unsigned int bytes[8];
   for (int i = 0; i < 8; i++) {
     bytes[i] = fromhex(buffer[i]);
diff --git a/panda/src/express/hashVal.h b/panda/src/express/hashVal.h
index 3f78664727..76d9f06ee2 100644
--- a/panda/src/express/hashVal.h
+++ b/panda/src/express/hashVal.h
@@ -72,8 +72,8 @@ PUBLISHED:
 #endif  // HAVE_SSL
 
 private:
-  static void encode_hex(unsigned int val, char *buffer);
-  static void decode_hex(const char *buffer, unsigned int &val);
+  static void encode_hex(PN_uint32 val, char *buffer);
+  static void decode_hex(const char *buffer, PN_uint32 &val);
   INLINE static char tohex(unsigned int nibble);
   INLINE static unsigned int fromhex(char digit);