diff --git a/CHANGES.txt b/CHANGES.txt
index a7f3e89477..ab910237ed 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -28,6 +28,8 @@
  * Potential Overflow in DatabaseDescriptor Functions That Convert Between KB/MB & Bytes (CASSANDRA-15470)
 Merged from 3.0:
 * Run evictFromMembership in GossipStage (CASSANDRA-15592)
+Merged from 2.2:
+* Allow EXTRA_CLASSPATH to work on tar/source installations (CASSANDRA-15567)
 
 4.0-alpha3
  * Restore monotonic read consistency guarantees for blocking read repair (CASSANDRA-14740)
diff --git a/bin/cassandra b/bin/cassandra
index 4341b37898..031196d3d8 100755
--- a/bin/cassandra
+++ b/bin/cassandra
@@ -27,6 +27,7 @@
 # behavior, those variables are:
 #
 #   CLASSPATH -- A Java classpath containing everything necessary to run.
+#   EXTRA_CLASSPATH -- A Java classpath with anything to be appended to CLASSPATH
 #   JVM_OPTS -- Additional arguments to the JVM for heap size, etc
 #   JVM_ON_OUT_OF_MEMORY_ERROR_OPT -- The OnOutOfMemoryError JVM option if specified
 #   CASSANDRA_CONF -- Directory containing Cassandra configuration files.
diff --git a/bin/cassandra.in.sh b/bin/cassandra.in.sh
index 1de93602af..58b4dd2896 100644
--- a/bin/cassandra.in.sh
+++ b/bin/cassandra.in.sh
@@ -51,6 +51,9 @@ done
 for jsr223jar in "$CASSANDRA_HOME"/lib/jsr223/*/*.jar; do
     CLASSPATH="$CLASSPATH:$jsr223jar"
 done
+
+CLASSPATH="$CLASSPATH:$EXTRA_CLASSPATH"
+
 # JSR223/JRuby - set ruby lib directory
 if [ -d "$CASSANDRA_HOME"/lib/jsr223/jruby/ruby ] ; then
     export JVM_OPTS="$JVM_OPTS -Djruby.lib=$CASSANDRA_HOME/lib/jsr223/jruby"
diff --git a/debian/patches/cassandra_in.sh_dirs.diff b/debian/patches/cassandra_in.sh_dirs.diff
index 2d9144297f..6642165beb 100644
--- a/debian/patches/cassandra_in.sh_dirs.diff
+++ b/debian/patches/cassandra_in.sh_dirs.diff
@@ -25,7 +25,7 @@
  
  # This can be the path to a jar file, or a directory containing the 
  # compiled classes. NOTE: This isn't needed by the startup script,
-@@ -38,7 +38,7 @@
+@@ -38,7 +38,7 @@ fi
  
  # the default location for commitlogs, sstables, and saved caches
  # if not set in cassandra.yaml
@@ -34,7 +34,7 @@
  
  # JAVA_HOME can optionally be set here
  #JAVA_HOME=/usr/local/jdk6
-@@ -47,6 +47,13 @@
+@@ -47,6 +47,10 @@ for jar in "$CASSANDRA_HOME"/lib/*.jar; do
      CLASSPATH="$CLASSPATH:$jar"
  done
  
@@ -42,9 +42,6 @@
 +    CLASSPATH="$CLASSPATH:$jar"
 +done
 +
-+# Include EXTRA_CLASSPATH from /etc/default/cassandra
-+CLASSPATH="$CLASSPATH:$EXTRA_CLASSPATH"
-+
+ CLASSPATH="$CLASSPATH:$EXTRA_CLASSPATH"
+ 
  # JSR223 - collect all JSR223 engines' jars
- for jsr223jar in "$CASSANDRA_HOME"/lib/jsr223/*/*.jar; do
-     CLASSPATH="$CLASSPATH:$jsr223jar"