diff --git a/target-sh4/op_helper.c b/target-sh4/op_helper.c
index 0204b0338f..684d3f3758 100644
--- a/target-sh4/op_helper.c
+++ b/target-sh4/op_helper.c
@@ -109,7 +109,8 @@ void helper_movcal(CPUSH4State *env, uint32_t address, uint32_t value)
 {
     if (cpu_sh4_is_cached (env, address))
     {
-	memory_content *r = malloc (sizeof(memory_content));
+        memory_content *r = g_new(memory_content, 1);
+
 	r->address = address;
 	r->value = value;
 	r->next = NULL;
@@ -126,7 +127,7 @@ void helper_discard_movcal_backup(CPUSH4State *env)
     while(current)
     {
 	memory_content *next = current->next;
-	free (current);
+        g_free(current);
 	env->movcal_backup = current = next;
 	if (current == NULL)
 	    env->movcal_backup_tail = &(env->movcal_backup);
@@ -149,7 +150,7 @@ void helper_ocbi(CPUSH4State *env, uint32_t address)
 		env->movcal_backup_tail = current;
 	    }
 
-	    free (*current);
+            g_free(*current);
 	    *current = next;
 	    break;
 	}