diff --git a/kde-modules/KDECompilerSettings.cmake b/kde-modules/KDECompilerSettings.cmake
--- a/kde-modules/KDECompilerSettings.cmake
+++ b/kde-modules/KDECompilerSettings.cmake
@@ -353,6 +353,12 @@
 endif()
 
 set(_KDE_GCC_COMMON_WARNING_FLAGS "-Wall -Wextra -Wcast-align -Wchar-subscripts -Wformat-security -Wno-long-long -Wpointer-arith -Wundef")
+if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+    # -Wgnu-zero-variadic-macro-arguments (part of -pedantic) is triggered by every qCDebug() call and therefore results
+    # in a lot of noise. This warning is only notifying us that clang is emulating the GCC behaviour
+    # instead of the exact standard wording so we can safely ignore it
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-gnu-zero-variadic-macro-arguments")
+endif()
 if(CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_KDE_GCC_COMMON_WARNING_FLAGS} -Wmissing-format-attribute -Wwrite-strings")
     # Make some warnings errors
diff --git a/kde-modules/KDEFrameworkCompilerSettings.cmake b/kde-modules/KDEFrameworkCompilerSettings.cmake
--- a/kde-modules/KDEFrameworkCompilerSettings.cmake
+++ b/kde-modules/KDEFrameworkCompilerSettings.cmake
@@ -61,14 +61,12 @@
   add_definitions(-DQT_STRICT_ITERATORS)
 endif()
 
-if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic")
+endif()
+
+if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
    if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "5.0.0")
       set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wsuggest-override" )
    endif()
-elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
-   # -Wgnu-zero-variadic-macro-arguments is triggered by every qCDebug() call and therefore results
-   # in a lot of noise. This warning is only notifying us that clang is emulating the GCC behaviour
-   # instead of the exact standard wording so we can safely ignore it
-   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic -Wno-gnu-zero-variadic-macro-arguments")
 endif()