diff --git a/sources/src/main/java/io/akarin/api/internal/utils/ReentrantSpinningLock.java b/sources/src/main/java/io/akarin/api/internal/utils/ReentrantSpinningLock.java
index 9c00f4412..e05c9f792 100644
--- a/sources/src/main/java/io/akarin/api/internal/utils/ReentrantSpinningLock.java
+++ b/sources/src/main/java/io/akarin/api/internal/utils/ReentrantSpinningLock.java
@@ -31,7 +31,7 @@ public class ReentrantSpinningLock {
     public void unlock() {
         if (reentrantLocks == 0) {
             heldThreadId = 0;
-            if (readerThreads.getAndDecrement() == 1) { // Micro-optimization: this saves one subtract
+            if (readerThreads.get() == 0 || readerThreads.getAndDecrement() == 1) { // Micro-optimization: this saves one subtract
                 writeLocked.set(false);
             }
         } else {