diff --git a/dev-qt/qt-creator/files/qt-creator-21.0.0-musl-no-execinfo.patch b/dev-qt/qt-creator/files/qt-creator-21.0.0-musl-no-execinfo.patch
new file mode 100644
index 0000000000000..83b1bd7dab5ac
--- /dev/null
+++ b/dev-qt/qt-creator/files/qt-creator-21.0.0-musl-no-execinfo.patch
@@ -0,0 +1,13 @@
+execinfo is unavailable with musl (unless opt to package+use libexecinfo)
+--- a/src/libs/utils/qtcassert.cpp
++++ b/src/libs/utils/qtcassert.cpp
+@@ -10,3 +10,3 @@
+ 
+-#if defined(Q_OS_UNIX) && !defined(__EMSCRIPTEN__)
++#if defined(Q_OS_UNIX) && !defined(__EMSCRIPTEN__) && defined(__GLIBC__)
+ #include <execinfo.h>
+@@ -29,3 +29,3 @@
+         maxdepth = ArraySize;
+-#if defined(Q_OS_UNIX) && !defined(__EMSCRIPTEN__)
++#if defined(Q_OS_UNIX) && !defined(__EMSCRIPTEN__) && defined(__GLIBC__)
+     void *bt[ArraySize] = {nullptr};
diff --git a/dev-qt/qt-creator/qt-creator-9999.ebuild b/dev-qt/qt-creator/qt-creator-9999.ebuild
index 5c0a85cc20188..fb7c2b6a89d36 100644
--- a/dev-qt/qt-creator/qt-creator-9999.ebuild
+++ b/dev-qt/qt-creator/qt-creator-9999.ebuild
@@ -96,7 +96,7 @@ BDEPEND="
 "
 
 PATCHES=(
-	"${FILESDIR}"/${PN}-16.0.0-musl-no-execinfo.patch
+	"${FILESDIR}"/${PN}-21.0.0-musl-no-execinfo.patch
 	"${FILESDIR}"/${PN}-12.0.0-musl-no-malloc-trim.patch
 )