diff --git a/src/Physics/DebugDrawResourceManager.cpp b/src/Physics/DebugDrawResourceManager.cpp
index ed9f64d75..8e958bc57 100644
--- a/src/Physics/DebugDrawResourceManager.cpp
+++ b/src/Physics/DebugDrawResourceManager.cpp
@@ -13,6 +13,8 @@
     GNU Lesser General Public License version 3 for more details.
 */
 
+#define MAGNUM_RESOURCEMANAGER_DEFINE_INTERNALINSTANCE
+
 #include "DebugDrawResourceManager.h"
 
 #include "AbstractShaderProgram.h"
diff --git a/src/Physics/DebugDrawResourceManager.h b/src/Physics/DebugDrawResourceManager.h
index 618b594eb..c8253dfbf 100644
--- a/src/Physics/DebugDrawResourceManager.h
+++ b/src/Physics/DebugDrawResourceManager.h
@@ -21,7 +21,12 @@
 
 #include "Magnum.h"
 #include "Color.h"
+
+#ifndef MAGNUM_RESOURCEMANAGER_DEFINE_INTERNALINSTANCE
+#define MAGNUM_RESOURCEMANAGER_DONT_DEFINE_INTERNALINSTANCE
+#endif
 #include "ResourceManager.h"
+
 #include "SceneGraph/SceneGraph.h"
 
 #include "magnumPhysicsVisibility.h"
@@ -41,6 +46,8 @@ namespace Physics { namespace Implementation {
 }}
 #endif
 
+extern template ResourceManager<AbstractShaderProgram, Buffer, Mesh, Physics::Implementation::Options> PHYSICS_EXPORT *& ResourceManager<AbstractShaderProgram, Buffer, Mesh, Physics::Implementation::Options>::internalInstance();
+
 namespace Physics {
 
 template<std::uint8_t> class AbstractShape;