diff --git a/broker/JFJochStateMachine.cpp b/broker/JFJochStateMachine.cpp
index b2daa353..00eae79d 100644
--- a/broker/JFJochStateMachine.cpp
+++ b/broker/JFJochStateMachine.cpp
@@ -812,7 +812,7 @@ void JFJochStateMachine::LoadInternalGeneratorImageTIFF(const std::string &s, ui
     uint32_t cols, lines;
     auto v = ReadTIFFFromString16(s, cols, lines);
     if (((cols == experiment.GetXPixelsNum()) && (lines == experiment.GetYPixelsNum()))
-        || ((cols == RAW_MODULE_SIZE) && (lines == RAW_MODULE_LINES * experiment.GetModulesNum())))
+        || ((cols == RAW_MODULE_COLS) && (lines == RAW_MODULE_LINES * experiment.GetModulesNum())))
         services.LoadInternalGeneratorImage(experiment, v, image_number);
     else
         throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,