diff --git a/panda/src/particlesystem/particlesystem_composite1.cxx b/panda/src/particlesystem/particlesystem_composite1.cxx
index 8fda249663..1e6eec0024 100644
--- a/panda/src/particlesystem/particlesystem_composite1.cxx
+++ b/panda/src/particlesystem/particlesystem_composite1.cxx
@@ -13,5 +13,5 @@
 #include "spriteParticleRenderer.cxx"
 #include "tangentRingEmitter.cxx"
 #include "zSpinParticle.cxx"
-#include "zSpinParticleFactory.cxx "
+#include "zSpinParticleFactory.cxx"
 
diff --git a/panda/src/putil/putil_composite2.cxx b/panda/src/putil/putil_composite2.cxx
index b3b4229bab..0454c8b915 100644
--- a/panda/src/putil/putil_composite2.cxx
+++ b/panda/src/putil/putil_composite2.cxx
@@ -17,6 +17,6 @@
 #include "vector_ushort.cxx"
 #include "vector_writable.cxx"
 #include "writable.cxx"
-#include "writableConfigurable.cxx "
-#include "writableParam.cxx "
+#include "writableConfigurable.cxx"
+#include "writableParam.cxx"