diff --git a/src/maths/KLU/klu_analyze_given.c b/src/maths/KLU/klu_analyze_given.c
index f38e1f8ee..3529ede97 100644
--- a/src/maths/KLU/klu_analyze_given.c
+++ b/src/maths/KLU/klu_analyze_given.c
@@ -102,7 +102,7 @@ KLU_symbolic *KLU_alloc_symbolic
     /* allocate the Symbolic object */
     /* ---------------------------------------------------------------------- */
 
-    Symbolic = KLU_malloc (sizeof (KLU_symbolic), 1, Common) ;
+    Symbolic = KLU_malloc (1, sizeof (KLU_symbolic), Common) ;
     if (Common->status < KLU_OK)
     {
         /* out of memory */
diff --git a/src/maths/KLU/klu_factor.c b/src/maths/KLU/klu_factor.c
index f27dc9182..5f71b5d76 100644
--- a/src/maths/KLU/klu_factor.c
+++ b/src/maths/KLU/klu_factor.c
@@ -447,7 +447,7 @@ KLU_numeric *KLU_factor         /* returns NULL if error, or a valid
     n1 = ((size_t) n) + 1 ;
     nzoff1 = ((size_t) nzoff) + 1 ;
 
-    Numeric = KLU_malloc (sizeof (KLU_numeric), 1, Common) ;
+    Numeric = KLU_malloc (1, sizeof (KLU_numeric), Common) ;
     if (Common->status < KLU_OK)
     {
         /* out of memory */