diff --git a/Jenkinsfile b/Jenkinsfile
index 22592d3fc..4eb17ae5c 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -4,7 +4,7 @@ pipeline {
     environment {
         CONAN_USER_HOME_SHORT = 'None'
         OSP_CONAN_CREDS = credentials('jenkins-osp-conan-creds')
-        CSE_CONAN_CHANNEL = "${env.BRANCH_NAME}".replaceAll("/", "_")
+        CSE_CONAN_CHANNEL = "${env.BRANCH_NAME}".take(51).replaceAll("/", "_")
     }
 
     options { checkoutToSubdirectory('cse-core') }
@@ -15,7 +15,7 @@ pipeline {
             parallel {
                 stage('Build on Windows') {
                     agent { label 'windows' }
-                    
+
                     environment {
                         CONAN_USER_HOME = "${env.SLAVE_HOME}/conan-repositories/${env.EXECUTOR_NUMBER}"
                     }
@@ -93,7 +93,7 @@ pipeline {
                                 success {
                                     dir('release-build') {
                                         sh "conan export-pkg ../cse-core osp/${CSE_CONAN_CHANNEL} -pf package/windows/release --force"
-                                        sh "conan upload cse-core/*@osp/${CSE_CONAN_CHANNEL} --all -r=osp --confirm"    
+                                        sh "conan upload cse-core/*@osp/${CSE_CONAN_CHANNEL} --all -r=osp --confirm"
                                     }
                                     dir('release-build/package') {
                                         archiveArtifacts artifacts: '**',  fingerprint: true
@@ -166,7 +166,7 @@ pipeline {
                     }
                 }
                 stage ( 'Build on Linux with Conan' ) {
-                    agent { 
+                    agent {
                         dockerfile {
                             filename 'Dockerfile.conan-build'
                             dir 'cse-core/.dockerfiles'
@@ -178,7 +178,7 @@ pipeline {
                     environment {
                         CONAN_USER_HOME = '/conan_repo'
                     }
-                    
+
                     stages {
                         stage('Configure Conan') {
                             steps {
@@ -332,8 +332,8 @@ pipeline {
                     }
                 }
                 stage ( 'Build on Linux with Docker' ) {
-                    agent { 
-                        dockerfile { 
+                    agent {
+                        dockerfile {
                             filename 'Dockerfile.build'
                             dir 'cse-core/.dockerfiles'
                             label 'linux && docker'
diff --git a/src/cpp/algorithm.cpp b/src/cpp/algorithm.cpp
index 94181f5a9..51320dac7 100644
--- a/src/cpp/algorithm.cpp
+++ b/src/cpp/algorithm.cpp
@@ -75,12 +75,12 @@ class fixed_step_algorithm::impl
     void disconnect_variable(variable_id input)
     {
         for (auto& s : simulators_) {
-            auto conns = s.second.outgoingConnections;
+            auto& conns = s.second.outgoingConnections;
             const auto it = std::find_if(
                 conns.begin(),
                 conns.end(),
                 [input](const auto& c) { return c.input == input; });
-            conns.erase(it);
+            if (it != conns.end()) conns.erase(it);
         }
     }
 
diff --git a/test/cpp/fixed_step_algorithm_test.cpp b/test/cpp/fixed_step_algorithm_test.cpp
index eb79455cd..d03ecf8e4 100644
--- a/test/cpp/fixed_step_algorithm_test.cpp
+++ b/test/cpp/fixed_step_algorithm_test.cpp
@@ -53,6 +53,12 @@ int main()
             }
         }
 
+        // Test for issue #284, "fixed_step_algorithm crashes when a variable is reconnected".
+        // The following statement should be a no-op.
+        execution.connect_variables(
+            cse::variable_id{0, cse::variable_type::real, realOutIndex},
+            cse::variable_id{1, cse::variable_type::real, realInIndex});
+
         auto observer2 = std::make_shared<cse::time_series_observer>();
         execution.add_observer(observer2);
         observer2->start_observing(cse::variable_id{9, cse::variable_type::real, realOutIndex});