diff --git libmariadb/ma_array.c libmariadb/ma_array.c
index d067aa4a..81fc3c40 100644
--- libmariadb/ma_array.c
+++ libmariadb/ma_array.c
@@ -46,7 +46,7 @@ my_bool ma_init_dynamic_array(DYNAMIC_ARRAY *array, uint element_size,
   array->max_element=init_alloc;
   array->alloc_increment=alloc_increment;
   array->size_of_element=element_size;
-  if (!(array->buffer=(char*) malloc(element_size*init_alloc)))
+  if (!(array->buffer=(char*) malloc((long) element_size*init_alloc)))
   {
     array->max_element=0;
     return(TRUE);
@@ -80,7 +80,7 @@ unsigned char *ma_alloc_dynamic(DYNAMIC_ARRAY *array)
   if (array->elements == array->max_element)
   {
     char *new_ptr;
-    if (!(new_ptr=(char*) realloc(array->buffer,(array->max_element+
+    if (!(new_ptr=(char*) realloc(array->buffer,(long) (array->max_element+
 			          array->alloc_increment)*
 				   array->size_of_element)))
       return 0;
@@ -111,14 +111,14 @@ my_bool ma_set_dynamic(DYNAMIC_ARRAY *array, void * element, uint idx)
       char *new_ptr;
       size=(idx+array->alloc_increment)/array->alloc_increment;
       size*= array->alloc_increment;
-      if (!(new_ptr=(char*) realloc(array->buffer,size*
+      if (!(new_ptr=(char*) realloc(array->buffer,(long) size*
 			            array->size_of_element)))
 	return TRUE;
       array->buffer=new_ptr;
       array->max_element=size;
     }
     memset((array->buffer+array->elements*array->size_of_element), 0,
-	  (idx - array->elements)*array->size_of_element);
+	  (long) (idx - array->elements)*array->size_of_element);
     array->elements=idx+1;
   }
   memcpy(array->buffer+(idx * array->size_of_element),element,
@@ -155,7 +155,7 @@ void ma_delete_dynamic_element(DYNAMIC_ARRAY *array, uint idx)
   char *ptr=array->buffer+array->size_of_element*idx;
   array->elements--;
   memmove(ptr,ptr+array->size_of_element,
-	  (array->elements-idx)*array->size_of_element);
+	  (long) (array->elements-idx)*array->size_of_element);
 }
 
 
@@ -166,7 +166,7 @@ void ma_freeze_size(DYNAMIC_ARRAY *array)
   if (array->buffer && array->max_element != elements)
   {
     array->buffer=(char*) realloc(array->buffer,
-			          elements*array->size_of_element);
+			          (long) elements*array->size_of_element);
     array->max_element=elements;
   }
 }