diff --git a/src/mongo/util/logfile.cpp b/src/mongo/util/logfile.cpp
index affbba0a9dda5..0d0d7866b632d 100644
--- a/src/mongo/util/logfile.cpp
+++ b/src/mongo/util/logfile.cpp
@@ -238,7 +238,10 @@ namespace mongo {
 
         fassert( 16144, charsToWrite >= 0 );
         fassert( 16142, _fd >= 0 );
+// Linux on PowerPC 64 uses 64kB memory pages, so we need to disable this assert on this platform
+#ifndef __PPC64__
         fassert( 16143, reinterpret_cast<ssize_t>( buf ) % g_minOSPageSizeBytes == 0 );  // aligned
+#endif
 
 #ifdef POSIX_FADV_DONTNEED
         const off_t pos = lseek(_fd, 0, SEEK_CUR); // doesn't actually seek, just get current position