diff --git a/dtool/PandaVersion.pp b/dtool/PandaVersion.pp
index 355761ece5..7d034ca983 100644
--- a/dtool/PandaVersion.pp
+++ b/dtool/PandaVersion.pp
@@ -44,5 +44,5 @@
 // integers, but by convention it will consist of four integers, and
 // with the first three matching the plugin version, and the fourth
 // integer being incremented with each new Core API revision.
-#define P3D_COREAPI_VERSION $[P3D_PLUGIN_VERSION] 1
+#define P3D_COREAPI_VERSION $[P3D_PLUGIN_VERSION] 2