diff --git a/pkgs/development/libraries/aws-c-common/default.nix b/pkgs/development/libraries/aws-c-common/default.nix
index 79296a8e04f6..4af6d9b0ac42 100644
--- a/pkgs/development/libraries/aws-c-common/default.nix
+++ b/pkgs/development/libraries/aws-c-common/default.nix
@@ -21,6 +21,8 @@ stdenv.mkDerivation rec {
   cmakeFlags = [
     "-DBUILD_SHARED_LIBS=ON"
     "-DCMAKE_SKIP_BUILD_RPATH=OFF" # for tests
+  ] ++ lib.optionals stdenv.hostPlatform.isRiscV [
+    "-DCMAKE_C_FLAGS=-fasynchronous-unwind-tables"
   ];
 
   # aws-c-common misuses cmake modules, so we need