2 files changed, 2 insertions, 2 deletions
diff --git a/lib/drb/extservm.rb b/lib/drb/extservm.rb
index 5d779f51f5..2d3c369bbf 100644
--- a/lib/drb/extservm.rb
+++ b/lib/drb/extservm.rb
@@ -37,7 +37,7 @@ module DRb
       synchronize do
         while true
           server = @servers[name]
-          return server if server&.alive?
+          return server if server && server.alive? # server may be `false'
           invoke_service(name)
           @cond.wait
         end
diff --git a/version.h b/version.h
index 6dd25095f2..16f03e12d6 100644
--- a/version.h
+++ b/version.h
@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.5.2"
 #define RUBY_RELEASE_DATE "2018-08-18"
-#define RUBY_PATCHLEVEL 78
+#define RUBY_PATCHLEVEL 79
 
 #define RUBY_RELEASE_YEAR 2018
 #define RUBY_RELEASE_MONTH 8