diff --git a/ChangeLog b/ChangeLog
index deb099483f..56ab51d1b8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -20,6 +20,10 @@
 
 	* sysdeps/s390/fpu/libm-test-ulps: Regenerate.
 
+2018-08-17  Istvan Kurucsai  <pistukem@gmail.com>
+
+	* malloc/malloc.c (_int_malloc): Additional binning code checks.
+
 2018-08-16  Florian Weimer  <fweimer@redhat.com>
 
 	* configure.ac: Add --with-nonshared-cflags option.
diff --git a/malloc/malloc.c b/malloc/malloc.c
index 47795601c8..67cdfd0ad2 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -3730,7 +3730,7 @@ _int_malloc (mstate av, size_t bytes)
           if (__glibc_unlikely (bck->fd != victim)
               || __glibc_unlikely (victim->fd != unsorted_chunks (av)))
             malloc_printerr ("malloc(): unsorted double linked list corrupted");
-          if (__glibc_unlikely (prev_inuse(next)))
+          if (__glibc_unlikely (prev_inuse (next)))
             malloc_printerr ("malloc(): invalid next->prev_inuse (unsorted)");
 
           /*