diff --git a/3rdparty/stasm4.0.0/stasm/MOD_1/facedet.cpp b/3rdparty/stasm4.0.0/stasm/MOD_1/facedet.cpp
index 6e5d196..2db5c70 100755
--- a/3rdparty/stasm4.0.0/stasm/MOD_1/facedet.cpp
+++ b/3rdparty/stasm4.0.0/stasm/MOD_1/facedet.cpp
@@ -146,7 +146,10 @@ static void TraceFaces(         // write image showing detected face rects
     const Image&      img,      // in
     const char*       filename) // in
 {
-    (void) detpars, img, filename;
+    (void) detpars;
+    (void) img;
+    (void) filename;
+
 #if TRACE_IMAGES // will be 0 unless debugging (defined in stasm.h)
 
     CImage cimg; cvtColor(img, cimg, CV_GRAY2BGR); // color image
diff --git a/openbr/plugins/gui.cpp b/openbr/plugins/gui.cpp
index 29b28a6..c92a20c 100644
--- a/openbr/plugins/gui.cpp
+++ b/openbr/plugins/gui.cpp
@@ -292,6 +292,9 @@ public:
 
     void projectUpdate(const TemplateList &src, TemplateList &dst)
     {
+        if (Globals->parallelism > 1)
+            qFatal("ManualTransform cannot execute in parallel.");
+
         dst = src;
 
         if (src.empty())
@@ -320,9 +323,6 @@ public:
 
     void init()
     {
-        if (Globals->parallelism > 1)
-            qFatal("ManualTransform cannot be run in parallel.");
-
         if (!Globals->useGui)
             return;