diff --git a/orbis-kernel/src/utils/SharedMutex.cpp b/orbis-kernel/src/utils/SharedMutex.cpp
index 4caec326b..00177a341 100644
--- a/orbis-kernel/src/utils/SharedMutex.cpp
+++ b/orbis-kernel/src/utils/SharedMutex.cpp
@@ -158,7 +158,7 @@ bool shared_mutex::lock_forced(int count) {
     return atomic_op(m_value, [&](unsigned &v) {
       if (v & c_sig) {
         v -= c_sig;
-        v += c_one * (count - 1);
+        v += c_one * count;
         return true;
       }