diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1fdd5d7a415..cb2b337d799 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## 0.20.5
 
+* `Coroutines`:
+    * Fixes in `SmartRWLocker`
+
 ## 0.20.4
 
 * `Versions`:
diff --git a/coroutines/src/commonMain/kotlin/dev/inmo/micro_utils/coroutines/SmartRWLocker.kt b/coroutines/src/commonMain/kotlin/dev/inmo/micro_utils/coroutines/SmartRWLocker.kt
index e1a6e7eb694..7aaf845cb81 100644
--- a/coroutines/src/commonMain/kotlin/dev/inmo/micro_utils/coroutines/SmartRWLocker.kt
+++ b/coroutines/src/commonMain/kotlin/dev/inmo/micro_utils/coroutines/SmartRWLocker.kt
@@ -37,8 +37,8 @@ class SmartRWLocker(private val readPermits: Int = Int.MAX_VALUE, writeIsLocked:
      * Locking [writeMutex] and wait while all [readSemaphore] permits will be freed
      */
     suspend fun lockWrite() {
-        _readSemaphore.acquire(readPermits)
         _writeMutex.lock()
+        _readSemaphore.acquire(readPermits)
     }
 
     /**