diff --git a/cMake/FindPySideTools.cmake b/cMake/FindPySideTools.cmake
index 2d3e88bc3..4d1342ff6 100644
--- a/cMake/FindPySideTools.cmake
+++ b/cMake/FindPySideTools.cmake
@@ -85,7 +85,7 @@ if(PYSIDERCC4BINARY AND PYSIDEUIC4BINARY)
     endif (NOT PySideTools_FIND_QUIETLY)
 else(PYSIDERCC4BINARY AND PYSIDEUIC4BINARY)
     if(PySideTools_FIND_REQUIRED)
-        message(FATAL_ERROR "PySideTools could not be not found, but are required.")
+        message(FATAL_ERROR "PySideTools could not be found, but are required.")
     else(PySideTools_FIND_REQUIRED)
         if (NOT PySideTools_FIND_QUIETLY)
                 message(STATUS "PySideTools: not found.")