1 files changed, 1 insertions, 1 deletions

diff --git a/stack2.c b/stack2.c
index b4b8afd..aa5d6ed 100644
--- a/stack2.c
+++ b/stack2.c
@@ -64,7 +64,7 @@ stack_pop(struct stack *stack, T *data)
         if ( stack->p != 0 ) {
                 --stack->p;
 
-                if ( data != NULL ) {
+                if ( data ) {
                         *data = stack->array[stack->p];
                 }
                 return true;