diff --git a/tst/passthrough-fuse/winposix.c b/tst/passthrough-fuse/winposix.c
index eab0f24e..59f81b05 100644
--- a/tst/passthrough-fuse/winposix.c
+++ b/tst/passthrough-fuse/winposix.c
@@ -167,7 +167,7 @@ char *realpath(const char *path, char *resolved)
     return result;
 }
 
-int uncpath(const char* path, WCHAR* buf, int nchar)
+int uncpath(const char *path, WCHAR *buf, int nchar)
 {
     if (4 < nchar &&
         0 < MultiByteToWideChar(CP_UTF8, 0, path, -1, &buf[4], nchar - 4))
diff --git a/tst/passthrough-fuse3/winposix.c b/tst/passthrough-fuse3/winposix.c
index 30829282..a4b89ddc 100644
--- a/tst/passthrough-fuse3/winposix.c
+++ b/tst/passthrough-fuse3/winposix.c
@@ -167,7 +167,7 @@ char *realpath(const char *path, char *resolved)
     return result;
 }
 
-int uncpath(const char* path, WCHAR* buf, int nchar)
+int uncpath(const char *path, WCHAR *buf, int nchar)
 {
     if (4 < nchar &&
         0 < MultiByteToWideChar(CP_UTF8, 0, path, -1, &buf[4], nchar - 4))