diff --git a/debian/changelog b/debian/changelog
index efad8de1..38dc998a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -31,6 +31,14 @@ llvm-toolchain-snapshot (1:11~++20200123111717+04fd2041561-1~exp1) experimental;
 
  -- Sylvestre Ledru <sylvestre@debian.org>  Thu, 23 Jan 2020 14:52:30 +0100
 
+llvm-toolchain-10 (1:10.0.0~+rc2-3) unstable; urgency=medium
+
+  * Disable libfuzzer on x86
+    https://bugs.llvm.org/show_bug.cgi?id=43677
+    FTBFS otherwise
+
+ -- Sylvestre Ledru <sylvestre@debian.org>  Sun, 01 Mar 2020 20:59:25 +0100
+
 llvm-toolchain-10 (1:10.0.0~+rc2-2) unstable; urgency=medium
 
   [ Sylvestre Ledru ]
diff --git a/debian/patches/disable-fuzzer-compiler-rt-x86.diff b/debian/patches/disable-fuzzer-compiler-rt-x86.diff
new file mode 100644
index 00000000..4f0c97b3
--- /dev/null
+++ b/debian/patches/disable-fuzzer-compiler-rt-x86.diff
@@ -0,0 +1,30 @@
+Index: llvm-toolchain-10-10.0.0~+rc2/compiler-rt/lib/CMakeLists.txt
+===================================================================
+--- llvm-toolchain-10-10.0.0~+rc2.orig/compiler-rt/lib/CMakeLists.txt
++++ llvm-toolchain-10-10.0.0~+rc2/compiler-rt/lib/CMakeLists.txt
+@@ -57,5 +57,8 @@ if(COMPILER_RT_BUILD_XRAY)
+ endif()
+ 
+ if(COMPILER_RT_BUILD_LIBFUZZER)
+-  compiler_rt_build_runtime(fuzzer)
++  if(NOT(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "i386" OR CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "i686"))
++      # Disabled because of https://bugs.llvm.org/show_bug.cgi?id=43677
++      compiler_rt_build_runtime(fuzzer)
++    endif()
+ endif()
+Index: llvm-toolchain-10-10.0.0~+rc2/compiler-rt/test/CMakeLists.txt
+===================================================================
+--- llvm-toolchain-10-10.0.0~+rc2.orig/compiler-rt/test/CMakeLists.txt
++++ llvm-toolchain-10-10.0.0~+rc2/compiler-rt/test/CMakeLists.txt
+@@ -55,7 +55,10 @@ if(COMPILER_RT_CAN_EXECUTE_TESTS)
+ 
+     # OpenBSD not supporting asan, cannot run the tests
+     if(COMPILER_RT_BUILD_LIBFUZZER AND NOT "${CMAKE_SYSTEM_NAME}" STREQUAL "OpenBSD" AND NOT ANDROID)
+-      compiler_rt_test_runtime(fuzzer)
++      if(NOT(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "i386" OR CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "i686"))
++        # Disabled because of https://bugs.llvm.org/show_bug.cgi?id=43677
++        compiler_rt_test_runtime(fuzzer)
++      endif()
+     endif()
+ 
+     foreach(sanitizer ${COMPILER_RT_SANITIZERS_TO_BUILD})
diff --git a/debian/patches/series b/debian/patches/series
index bf46e7fe..1a07047c 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -135,6 +135,7 @@ workaround-bug-42994-use-linker.diff
 # bug 939472
 #try-to-unbreak-thinlto.diff
 D67877.patch
+disable-fuzzer-compiler-rt-x86.diff
 no-z3.patch
 
 python3-shebang.patch