diff --git a/stm-firmware/include/reflow-controller/stack-check.h b/stm-firmware/include/reflow-controller/stack-check.h
index f73dd29..8e0e290 100644
--- a/stm-firmware/include/reflow-controller/stack-check.h
+++ b/stm-firmware/include/reflow-controller/stack-check.h
@@ -29,6 +29,18 @@ int32_t stack_check_get_usage();
 
 int32_t stack_check_get_free();
 
+static inline int stack_check_collision()
+{
+	int ret = 0;
+	int32_t free_space = stack_check_get_free();
+
+	if ((unsigned int)free_space < STACK_CHECK_MIN_HEAP_GAP) {
+			ret = -1;
+	}
+
+	return ret;
+}
+
 static inline uint32_t read_stack_pointer()
 {
 	uint32_t stack_pointer;