1 files changed, 1 insertions, 0 deletions
diff --git a/src/plugins/clangrefactoring/refactoringcompileroptionsbuilder.cpp b/src/plugins/clangrefactoring/refactoringcompileroptionsbuilder.cpp
index ca79ca5e4a..5fa28940f5 100644
--- a/src/plugins/clangrefactoring/refactoringcompileroptionsbuilder.cpp
+++ b/src/plugins/clangrefactoring/refactoringcompileroptionsbuilder.cpp
@@ -130,6 +130,7 @@ Utils::SmallStringVector RefactoringCompilerOptionsBuilder::build(CppTools::Proj
     optionsBuilder.addOptionsForLanguage(/*checkForBorlandExtensions*/ true);
     optionsBuilder.enableExceptions();
 
+    optionsBuilder.addDefineFloat128ForMingw();
     optionsBuilder.addDefineToAvoidIncludingGccOrMinGwIntrinsics();
     optionsBuilder.addToolchainAndProjectDefines();
     optionsBuilder.undefineCppLanguageFeatureMacrosForMsvc2015();