diff --git a/var/spack/repos/builtin/packages/qt/package.py b/var/spack/repos/builtin/packages/qt/package.py
index 195eed5543b9228b42eead88a1f8ffda259c72fe..4506dcd0a3204f268d027b092ea84d567a7e24da 100644
--- a/var/spack/repos/builtin/packages/qt/package.py
+++ b/var/spack/repos/builtin/packages/qt/package.py
@@ -82,7 +82,7 @@ class Qt(Package):
 
     # Fix build failure with newer versions of GCC
     patch('https://github.com/qt/qtbase/commit/a52d7861edfb5956de38ba80015c4dd0b596259b.patch',
-          sha256='e10c871033568a9aed982628ed627356761f72f63c5fdaf11882dc147528e9ed',
+          sha256='c49b228c27e3ad46ec3af4bac0e9985af5b5b28760f238422d32e14f98e49b1e',
           working_dir='qtbase',
           when='@5.10:5.12.0 %gcc@9:')