diff --git a/components/homme/src/share/parallel_mod.F90 b/components/homme/src/share/parallel_mod.F90
index 69016a8a0636..49ff71779a81 100644
--- a/components/homme/src/share/parallel_mod.F90
+++ b/components/homme/src/share/parallel_mod.F90
@@ -274,6 +274,7 @@ subroutine abortmp(string)
 #endif
 #endif
     character*(*) string
+    call flush(iulog)
 #ifdef CAM
     call endrun(string)
 #else