diff --git a/panda/src/testbed/Sources.pp b/panda/src/testbed/Sources.pp
index 997c259763..a1cafa6bc0 100644
--- a/panda/src/testbed/Sources.pp
+++ b/panda/src/testbed/Sources.pp
@@ -36,3 +36,9 @@
   #define TARGET test_texmem
   #define SOURCES test_texmem.cxx
 #end test_bin_target
+
+#begin test_bin_target
+  #define TARGET test_particles
+  
+  #define SOURCES test_particles.cxx
+#end test_bin_target