diff --git a/cMake/FindPySide2Tools.cmake b/cMake/FindPySide2Tools.cmake
index 372815f906..ac55569ab6 100644
--- a/cMake/FindPySide2Tools.cmake
+++ b/cMake/FindPySide2Tools.cmake
@@ -44,6 +44,9 @@ ELSE()
 ENDIF(Qt5Core_VERSION VERSION_LESS 5.14)
 
 MACRO(PYSIDE_WRAP_UI outfiles)
+  if (NOT PYSIDE2UICBINARY)
+    message(FATAL_ERROR "Qt uic is required for generating ${ARGN}")
+  endif()
   FOREACH(it ${ARGN})
     GET_FILENAME_COMPONENT(outfile ${it} NAME_WE)
     GET_FILENAME_COMPONENT(infile ${it} ABSOLUTE)
@@ -71,6 +74,9 @@ MACRO(PYSIDE_WRAP_UI outfiles)
 ENDMACRO (PYSIDE_WRAP_UI)
 
 MACRO(PYSIDE_WRAP_RC outfiles)
+  if (NOT PYSIDE2RCCBINARY)
+    message(FATAL_ERROR "Qt rcc is required for generating ${ARGN}")
+  endif()
   FOREACH(it ${ARGN})
     GET_FILENAME_COMPONENT(outfile ${it} NAME_WE)
     GET_FILENAME_COMPONENT(infile ${it} ABSOLUTE)