diff --git a/firmware/util/efilib.cpp b/firmware/util/efilib.cpp
index d91a2c8c33..d3f3664c8c 100644
--- a/firmware/util/efilib.cpp
+++ b/firmware/util/efilib.cpp
@@ -400,3 +400,9 @@ float tanf_taylor(float x) {
 	// tan = sin / cos
 	return sin_val / cos_val;
 }
+
+#if EFI_PROD_CODE
+extern "C" void __cxa_pure_virtual(void) {
+	osalSysHalt("Pure virtual function call.");
+}
+#endif