diff --git a/debian/changelog b/debian/changelog
index 5119621b..69db1dd4 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+llvm-toolchain-15 (1:15.0.0~+rc2-1~exp2) experimental; urgency=medium
+
+  * For Debian Stretch for apt.llvm.org, use clang-14 to build
+    itself as gcc 7 isn't available
+
+ -- Sylvestre Ledru <sylvestre@debian.org>  Sat, 20 Aug 2022 13:22:23 +0200
+
 llvm-toolchain-15 (1:15.0.0~+rc2-1~exp1) experimental; urgency=medium
 
   * Second testing release of 15
diff --git a/debian/rules b/debian/rules
index 0e653006..d5380491 100755
--- a/debian/rules
+++ b/debian/rules
@@ -106,6 +106,7 @@ ifneq (,$(filter $(DISTRO),stretch))
 #  GCC_VERSION := 7
 # Don't enable lld python for old distros
   STAGE_ALL_CMAKE_EXTRA += -DLLDB_ENABLE_PYTHON=OFF
+  USE_CLANG = yes
 endif
 
 Z3_FLAG = -DLLVM_ENABLE_Z3_SOLVER=OFF
@@ -138,8 +139,15 @@ endif
 endif
 endif
 
+ifeq ($(USE_CLANG),yes)
+# For Debian stretch, gcc isn't available, let's use clang
+# itself to build itself.
+export CC=clang-14
+export CXX=clang++-14
+else
 export CC=gcc-$(GCC_VERSION)
 export CXX=g++-$(GCC_VERSION)
+endif
 
 opt_flags = -O2 -DNDEBUG -g1