Fix typo

Check #69 for more details
mate-desktop · Dec 21, 2018 · 49f81fb · 49f81fb
1 parent d0a089f
commit 49f81fb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/unit.c b/src/unit.c
@@ -141,7 +141,7 @@ unit_convert_from(Unit *unit, const MPNumber *x, MPNumber *z)
 {
     g_return_val_if_fail(unit != NULL, FALSE);
     g_return_val_if_fail(x != NULL, FALSE);
-    g_return_val_if_fail(x != NULL, FALSE);
+    g_return_val_if_fail(z != NULL, FALSE);
 
     if (unit->priv->from_function)
         return solve_function(unit->priv->from_function, x, z);