diff --git a/libraries/physics/src/EntityMotionState.cpp b/libraries/physics/src/EntityMotionState.cpp
index 2ca996e2a5..0dad876349 100644
--- a/libraries/physics/src/EntityMotionState.cpp
+++ b/libraries/physics/src/EntityMotionState.cpp
@@ -77,7 +77,7 @@ bool EntityMotionState::entityTreeIsLocked() const {
     }
 }
 #else
-bool EntityMotionState::entityTreeIsLocked() const {
+bool entityTreeIsLocked() {
     return true;
 }
 #endif