diff --git a/dtool/src/dtoolutil/filename.cxx b/dtool/src/dtoolutil/filename.cxx
index c862c0aabf..d2c566b557 100644
--- a/dtool/src/dtoolutil/filename.cxx
+++ b/dtool/src/dtoolutil/filename.cxx
@@ -48,6 +48,11 @@
 #include <unistd.h>
 #endif
 
+#if defined(__ANDROID__) && !defined(HAVE_LOCKF)
+// Needed for flock.
+#include <sys/file.h>
+#endif
+
 TextEncoder::Encoding Filename::_filesystem_encoding = TextEncoder::E_utf8;
 
 TVOLATILE AtomicAdjust::Pointer Filename::_home_directory;
diff --git a/panda/src/gobj/vertexDataSaveFile.cxx b/panda/src/gobj/vertexDataSaveFile.cxx
index 0aa8abff56..fd7087ba5d 100644
--- a/panda/src/gobj/vertexDataSaveFile.cxx
+++ b/panda/src/gobj/vertexDataSaveFile.cxx
@@ -23,6 +23,11 @@
 #include <errno.h>
 #endif  // _WIN32
 
+#if defined(__ANDROID__) && !defined(HAVE_LOCKF)
+// Needed for flock.
+#include <sys/file.h>
+#endif
+
 /**
  *
  */
diff --git a/panda/src/net/connectionManager.cxx b/panda/src/net/connectionManager.cxx
index f7fdbe7e3e..8a0bfc1e86 100644
--- a/panda/src/net/connectionManager.cxx
+++ b/panda/src/net/connectionManager.cxx
@@ -26,7 +26,7 @@
 #elif defined(WIN32_VC) || defined(WIN64_VC)
 #include <winsock2.h>  // For gethostname()
 #include <Iphlpapi.h> // For GetAdaptersAddresses()
-#elif defined(ANDROID)
+#elif defined(__ANDROID__)
 #include <net/if.h>
 #else
 #include <net/if.h>
@@ -538,7 +538,7 @@ scan_interfaces() {
     PANDA_FREE_ARRAY(addresses);
   }
 
-#elif defined(ANDROID)
+#elif defined(__ANDROID__)
   // TODO: implementation using netlink_socket?
 
 #else  // WIN32_VC