Index: branches/pap/psModules/src/camera/pmReadoutFake.c
===================================================================
--- branches/pap/psModules/src/camera/pmReadoutFake.c	(revision 25243)
+++ branches/pap/psModules/src/camera/pmReadoutFake.c	(revision 25310)
@@ -83,8 +83,4 @@
     }
     PS_ASSERT_PTR_NON_NULL(psf, false);
-    if (radius > 0 && isfinite(minFlux) && minFlux > 0.0) {
-        psError(PS_ERR_BAD_PARAMETER_VALUE, true, "Cannot define both minimum flux and fixed radius.");
-        return false;
-    }
 
     readout->image = psImageRecycle(readout->image, numCols, numRows, PS_TYPE_F32);
@@ -129,6 +125,11 @@
         pmSource *fakeSource = pmSourceAlloc(); // Fake source to generate
         fakeSource->peak = pmPeakAlloc(xSrc, ySrc, fakeModel->params->data.F32[PM_PAR_I0], PM_PEAK_LONE);
-        float fakeRadius = radius > 0 ? radius :
-            PS_MAX(1.0, fakeModel->modelRadius(fakeModel->params, minFlux)); // Radius of fake source
+        float fakeRadius = 1.0;         // Radius of fake source
+        if (isfinite(minFlux)) {
+            fakeRadius = PS_MAX(fakeRadius, fakeModel->modelRadius(fakeModel->params, minFlux));
+        }
+        if (radius > 0) {
+            fakeRadius = PS_MAX(fakeRadius, radius);
+        }
 
         if (xOffset) {