diff --git a/lci/sys/lciu_malloc.h b/lci/sys/lciu_malloc.h
index 2d0d7ceb..a766c56f 100644
--- a/lci/sys/lciu_malloc.h
+++ b/lci/sys/lciu_malloc.h
@@ -11,10 +11,12 @@ static inline void* LCIU_memalign(size_t alignment, size_t size)
 {
   void* p_ptr;
   int ret = posix_memalign(&p_ptr, alignment, size);
-  LCI_Assert(
-      ret == 0, "posix_memalign(%lu, %lu) returned %d (Free memory %lu/%lu)\n",
-      alignment, size, ret, sysconf(_SC_AVPHYS_PAGES) * sysconf(_SC_PAGESIZE),
-      sysconf(_SC_PHYS_PAGES) * sysconf(_SC_PAGESIZE));
+  if (ret != 0) {
+    LCI_Assert(
+        false, "posix_memalign(%lu, %lu) returned %d (Free memory %lu/%lu)\n",
+        alignment, size, ret, sysconf(_SC_AVPHYS_PAGES) * sysconf(_SC_PAGESIZE),
+        sysconf(_SC_PHYS_PAGES) * sysconf(_SC_PAGESIZE));
+  }
   return p_ptr;
 }
 static inline void LCIU_free(void* ptr) { free(ptr); }