diff --git a/src/libraries/box2d/common/b2_settings.cpp b/src/libraries/box2d/common/b2_settings.cpp
index 9b66769ac..5ee213ef2 100644
--- a/src/libraries/box2d/common/b2_settings.cpp
+++ b/src/libraries/box2d/common/b2_settings.cpp
@@ -27,6 +27,8 @@
 #include <stdarg.h>
 #include <stdlib.h>
 
+#include "common/Exception.h"
+
 b2Version b2_version = {2, 4, 0};
 
 // Memory allocators. Modify these to use your own allocator.
@@ -46,6 +48,12 @@ void b2Log_Default(const char* string, va_list args)
 	vprintf(string, args);
 }
 
+void loveAssert(bool test, const char* teststr)
+{
+	if (!test)
+		throw love::Exception("Box2D assertion failed: %s", teststr);
+}
+
 FILE* b2_dumpFile = nullptr;
 
 void b2OpenDump(const char* fileName)