diff --git a/kde-modules/KDECompilerSettings.cmake b/kde-modules/KDECompilerSettings.cmake
--- a/kde-modules/KDECompilerSettings.cmake
+++ b/kde-modules/KDECompilerSettings.cmake
@@ -384,6 +384,12 @@
     endif()
 endif()
 
+if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+   if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "5.0.0")
+      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wsuggest-override -Wlogical-op" )
+   endif()
+endif()
+
 # -w1 turns on warnings and errors
 # FIXME: someone needs to have a closer look at the Intel compiler options
 if (CMAKE_C_COMPILER_ID STREQUAL "Intel" AND NOT WIN32)
diff --git a/kde-modules/KDEFrameworkCompilerSettings.cmake b/kde-modules/KDEFrameworkCompilerSettings.cmake
--- a/kde-modules/KDEFrameworkCompilerSettings.cmake
+++ b/kde-modules/KDEFrameworkCompilerSettings.cmake
@@ -67,7 +67,7 @@
 
 if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
    if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "5.0.0")
-      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wsuggest-override -Wlogical-op -Wzero-as-null-pointer-constant" )
+      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wzero-as-null-pointer-constant" )
    endif()
 endif()