diff --git a/srcpkgs/qtcreator/patches/clang9.patch b/srcpkgs/qtcreator/patches/clang9.patch
new file mode 100644
index 00000000000..25a1a861746
--- /dev/null
+++ b/srcpkgs/qtcreator/patches/clang9.patch
@@ -0,0 +1,11 @@
+--- src/plugins/clangformat/clangformatutils.cpp
++++ src/plugins/clangformat/clangformatutils.cpp
+@@ -60,7 +60,7 @@ static clang::format::FormatStyle qtcStyle()
+     style.AllowShortBlocksOnASingleLine = false;
+     style.AllowShortCaseLabelsOnASingleLine = false;
+     style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Inline;
+-    style.AllowShortIfStatementsOnASingleLine = false;
++    style.AllowShortIfStatementsOnASingleLine = FormatStyle::SIS_Never;
+     style.AllowShortLoopsOnASingleLine = false;
+     style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
+     style.AlwaysBreakBeforeMultilineStrings = false;
diff --git a/srcpkgs/qtcreator/template b/srcpkgs/qtcreator/template
index 8240353ee61..efa09bbf07e 100644
--- a/srcpkgs/qtcreator/template
+++ b/srcpkgs/qtcreator/template
@@ -1,7 +1,7 @@
 # Template file for 'qtcreator'
 pkgname=qtcreator
 version=4.9.2
-revision=3
+revision=4
 wrksrc="qt-creator-opensource-src-${version}"
 build_style=qmake
 make_install_args="INSTALL_ROOT=\${DESTDIR}/usr"