diff --git a/src/frameworks/CMakeLists.txt b/src/frameworks/CMakeLists.txt
index faa702e72..95f951852 100644
--- a/src/frameworks/CMakeLists.txt
+++ b/src/frameworks/CMakeLists.txt
@@ -19,7 +19,7 @@ target_sources(openboard PRIVATE
     UBVersion.h
 )
 
-if(CMAKE_SYSTEM_NAME STREQUAL Linux)
+if(CMAKE_SYSTEM_NAME MATCHES "FreeBSD|Linux")
     target_sources(openboard PRIVATE
         UBPlatformUtils_linux.cpp
     )
diff --git a/src/frameworks/UBPlatformUtils_linux.cpp b/src/frameworks/UBPlatformUtils_linux.cpp
index 6dde5010b..e09690739 100644
--- a/src/frameworks/UBPlatformUtils_linux.cpp
+++ b/src/frameworks/UBPlatformUtils_linux.cpp
@@ -43,7 +43,9 @@
 #include "core/UBSettings.h"
 #include "gui/UBMainWindow.h"
 
+#ifndef Q_OS_FREEBSD
 static OnboardListener* listener = nullptr;
+#endif
 
 void UBPlatformUtils::init()
 {
@@ -94,7 +96,7 @@ QString UBPlatformUtils::applicationTemplateDirectory()
 void UBPlatformUtils::hideFile(const QString &filePath)
 {
     Q_UNUSED(filePath)
-    // TODO UB 4.x Not possible on Linux as such, the filename should have a . as first char in name
+    // TODO UB 4.x Not possible on FreeBSD and Linux as such, the filename should have a . as first char in name
 }
 
 void UBPlatformUtils::setFileType(const QString &filePath, unsigned long fileType)
@@ -102,7 +104,7 @@ void UBPlatformUtils::setFileType(const QString &filePath, unsigned long fileTyp
     Q_UNUSED(filePath)
     Q_UNUSED(fileType)
 
-    // No fileType equivalent on Linux
+    // No fileType equivalent on FreeBSD and Linux
 }
 
 void UBPlatformUtils::fadeDisplayOut()
@@ -478,14 +480,14 @@ QString UBPlatformUtils::urlFromClipboard()
 {
     QString qsRet;
 
-    // Not used on Linux
+    // Not used on FreeBSD and Linux
 
     return qsRet;
 }
 
 void UBPlatformUtils::setFrontProcess()
 {
-    // not used in Linux
+    // not used in FreeBSD and Linux
 }
 
 
@@ -501,6 +503,10 @@ void UBPlatformUtils::showFullScreen(QWidget *pWidget)
 
 void UBPlatformUtils::showOSK(bool show)
 {
+#ifdef Q_OS_FREEBSD
+     Q_UNUSED(show);
+     // No on-screen keyboard support on FreeBSD
+#else
     if (show)
     {
         QDBusInterface dbus("org.onboard.Onboard", "/org/onboard/Onboard/Keyboard");
@@ -562,4 +568,5 @@ void OnboardListener::onboardPropertiesChanged(QString interface, QMap<QString,
             oskAction->trigger();
         }
     }
+#endif
 }
diff --git a/src/gui/CMakeLists.txt b/src/gui/CMakeLists.txt
index 7a9c3f12c..fe23b85d2 100644
--- a/src/gui/CMakeLists.txt
+++ b/src/gui/CMakeLists.txt
@@ -95,7 +95,7 @@ target_sources(${PROJECT_NAME} PRIVATE
     UBZoomPalette.h
 )
 
-if(CMAKE_SYSTEM_NAME STREQUAL Linux)
+if(CMAKE_SYSTEM_NAME MATCHES "FreeBSD|Linux")
     target_sources(openboard PRIVATE
         UBKeyboardPalette_linux.cpp
     )
diff --git a/src/podcast/UBPodcastController.cpp b/src/podcast/UBPodcastController.cpp
index 442972898..eda53d02b 100644
--- a/src/podcast/UBPodcastController.cpp
+++ b/src/podcast/UBPodcastController.cpp
@@ -64,7 +64,7 @@
 #elif defined(Q_OS_OSX)
     #include "ffmpeg/UBFFmpegVideoEncoder.h"
     #include "ffmpeg/UBMicrophoneInput.h"
-#elif defined(Q_OS_LINUX)
+#elif defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD)
     #include "ffmpeg/UBFFmpegVideoEncoder.h"
     #include "ffmpeg/UBMicrophoneInput.h"
 #endif
@@ -315,7 +315,7 @@ void UBPodcastController::start()
         mVideoEncoder = new UBWindowsMediaVideoEncoder(this);  //deleted on stop
 #elif defined(Q_OS_OSX)
         mVideoEncoder = new UBFFmpegVideoEncoder(this);
-#elif defined(Q_OS_LINUX)
+#elif defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD)
         mVideoEncoder = new UBFFmpegVideoEncoder(this);
 #endif
 
@@ -780,7 +780,7 @@ QStringList UBPodcastController::audioRecordingDevices()
     devices = UBWaveRecorder::waveInDevices();
 #elif defined(Q_OS_OSX)
     devices = UBMicrophoneInput::availableDevicesNames();
-#elif defined(Q_OS_LINUX)
+#elif defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD)
     devices = UBMicrophoneInput::availableDevicesNames();
 #endif
 
diff --git a/src/web/UBEmbedController.cpp b/src/web/UBEmbedController.cpp
index 114a986ab..90a00910b 100644
--- a/src/web/UBEmbedController.cpp
+++ b/src/web/UBEmbedController.cpp
@@ -150,7 +150,7 @@ void UBEmbedController::textChanged(const QString& newText)
     static const QRegularExpression regExp("[<>:\"/\\\\|?*]");
 #endif
 
-#ifdef Q_OS_LINUX // Defined on X11.
+#if defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD) // Defined on X11.
     QString illegalCharList("      < > : \" / \\ | ? * ");
     static const QRegularExpression regExp("[<>:\"/\\\\|?*]");
 #endif