diff --git a/source/toy_stack.c b/source/toy_stack.c
index 5e809ec..80a8459 100644
--- a/source/toy_stack.c
+++ b/source/toy_stack.c
@@ -72,7 +72,7 @@ Toy_Value Toy_popStack(Toy_Stack** stackHandle) {
 	}
 
 	//shrink if possible
-	if ((*stackHandle)->count > TOY_STACK_INITIAL_CAPACITY && (*stackHandle)->count < (*stackHandle)->capacity * TOY_STACK_CONTRACTION_RATE) {
+	if ((*stackHandle)->count > TOY_STACK_INITIAL_CAPACITY && (*stackHandle)->count < (*stackHandle)->capacity * TOY_STACK_CONTRACTION_THRESHOLD) {
 		(*stackHandle)->capacity /= 2;
 		unsigned int newCapacity = (*stackHandle)->capacity;
 
diff --git a/source/toy_stack.h b/source/toy_stack.h
index 21735ea..c4d9742 100644
--- a/source/toy_stack.h
+++ b/source/toy_stack.h
@@ -25,8 +25,8 @@ TOY_API Toy_Value Toy_popStack(Toy_Stack** stackHandle);
 #define TOY_STACK_EXPANSION_RATE 2
 #endif
 
-#ifndef TOY_STACK_CONTRACTION_RATE
-#define TOY_STACK_CONTRACTION_RATE (1 / 4)
+#ifndef TOY_STACK_CONTRACTION_THRESHOLD
+#define TOY_STACK_CONTRACTION_THRESHOLD (1 / 4)
 #endif
 
 //prevent an infinite expansion, limited to 1MB