diff --git a/src/build/libroot/atomic.cpp b/src/build/libroot/atomic.cpp
index 66708598a0..a4d084fad6 100644
--- a/src/build/libroot/atomic.cpp
+++ b/src/build/libroot/atomic.cpp
@@ -29,7 +29,7 @@ int32
 atomic_add(vint32 *value, int32 addValue)
 {
 	int32 oldValue = *value;
-	value += addValue;
+	*value += addValue;
 	return oldValue;
 }