diff --git a/src/shared/config.cpp b/src/shared/config.cpp
index d809353..398c817 100644
--- a/src/shared/config.cpp
+++ b/src/shared/config.cpp
@@ -420,6 +420,7 @@ shutdown addr 0x55b494
 wait addr 0x55a39c
 getInstance addr 0x54eeac
 notify addr 0x558464
+waveformClass str EPFramebuffer::Waveform
 
 )CONF";
 
diff --git a/src/shared/swtfb.cpp b/src/shared/swtfb.cpp
index b0a86ab..f66d4bc 100644
--- a/src/shared/swtfb.cpp
+++ b/src/shared/swtfb.cpp
@@ -22,6 +22,8 @@ class SwtFB {
   const int maxWidth = 1404;
   const int maxHeight = 1872;
 
+  std::string WAVEFORM_MODE = "";
+
 public:
   SwtFB()
   : config(read_config()) {}
@@ -38,6 +40,17 @@ class SwtFB {
     void* address = std::get<void*>(search->second);
     f_getInstance = (uint32_t * (*)(void)) address;
     std::cerr << "getInstance() at address: " << address << '\n';
+
+
+    auto waveformMode = config.find("waveformClass");
+    if (waveformMode != config.end()) {
+      std::cerr << "Found waveform class " << std::endl;
+      WAVEFORM_MODE = std::get<string>(waveformMode->second);
+    } else {
+      WAVEFORM_MODE = string{"EPFramebuffer::WaveformMode"};
+    }
+    std::cerr << "Using waveform mode " << WAVEFORM_MODE << std::endl;
+
     return true;
   }
 
@@ -64,7 +77,7 @@ class SwtFB {
 
   void SendUpdate(const QRect &rect, int waveform, int flags) const {
     // Method idx == 1
-    QGenericArgument argWaveform("EPFramebuffer::WaveformMode", &waveform);
+    QGenericArgument argWaveform(WAVEFORM_MODE.c_str(), &waveform);
     QGenericArgument argUpdateMode("EPFramebuffer::UpdateFlags", &flags);
     QMetaObject::invokeMethod(instance, "sendUpdate", Qt::DirectConnection,
                               Q_ARG(QRect, rect), argWaveform, argUpdateMode);