diff --git a/CHANGES b/CHANGES
index cd88f3e..d40e1fc 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2,6 +2,10 @@
 API and build change  and fix summaries. Doc correctsions
 and/or changes are not mentioned here; see the commit messages.
 
+2020 January 31; verison 3.1.1
+	Allow route table thread logging to be completely disabled
+	when logging is turned off.	
+
 2020 January 26; verison 3.1.0
 	First step to allowing the user programme to control messages
 	written to standard error. Introduces the rmr_set_vlevel()
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9a51535..a93ce69 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -38,7 +38,7 @@
 
 set( major_version "3" )		# should be automatically populated from git tag later, but until CI process sets a tag we use this
 set( minor_version "1" )
-set( patch_level "0" )
+set( patch_level "1" )
 
 set( install_root "${CMAKE_INSTALL_PREFIX}" )
 set( install_inc "include/rmr" )
diff --git a/src/rmr/common/src/logging.c b/src/rmr/common/src/logging.c
index 0105391..ce6c246 100644
--- a/src/rmr/common/src/logging.c
+++ b/src/rmr/common/src/logging.c
@@ -171,6 +171,10 @@
 		rmr_vlog_init();
 	}
 
+	if( log_vlevel <= 0 ) {			// cant force if off completely to allow for total silience
+		return;
+	}
+
 	if( write_level > RMR_VL_DEBUG || write_level < 0 ) {
 		write_level = RMR_VL_DEBUG;
 	}