diff --git a/PC/getpathp.c b/PC/getpathp.c
index daf61c990e6..308eb87ed64 100644
--- a/PC/getpathp.c
+++ b/PC/getpathp.c
@@ -434,7 +434,7 @@ find_env_config_value(FILE * env_file, const wchar_t * key, wchar_t * value)
         char * p = fgets(buffer, MAXPATHLEN*2, env_file);
         wchar_t tmpbuffer[MAXPATHLEN*2+1];
         PyObject * decoded;
-        int n;
+        size_t n;
 
         if (p == NULL)
             break;