diff --git a/.drone.jsonnet b/.drone.jsonnet
index c842c8b..f2f4bad 100644
--- a/.drone.jsonnet
+++ b/.drone.jsonnet
@@ -170,24 +170,24 @@ local windows_pipeline(name, image, environment, arch = "amd64") =
 	),
 
 	linux_pipeline(
-		"Linux 20.04 Clang 13",
+		"Linux 20.04 Clang 13 UBSAN",
 		"cppalliance/droneubuntu2004:1",
-		{ TOOLSET: 'clang', COMPILER: 'clang++-13', CXXSTD: '03,11,14,17,20' },
+		{ UBSAN: '1', TOOLSET: 'clang', COMPILER: 'clang++-13', CXXSTD: '03,11,14,17,20' },
 		"clang-13",
 		["deb http://apt.llvm.org/focal/ llvm-toolchain-focal-13 main"],
 	),
 
 	linux_pipeline(
-		"Linux 20.04 Clang 14",
+		"Linux 20.04 Clang 14 UBSAN",
 		"cppalliance/droneubuntu2004:1",
-		{ TOOLSET: 'clang', COMPILER: 'clang++-14', CXXSTD: '03,11,14,17,20' },
+		{ UBSAN: '1', TOOLSET: 'clang', COMPILER: 'clang++-14', CXXSTD: '03,11,14,17,20' },
 		"clang-14",
 		["deb http://apt.llvm.org/focal/ llvm-toolchain-focal-14 main"],
 	),
 
 	macos_pipeline(
 		"MacOS 10.15 Xcode 12.2 UBSAN",
-		{'UBSAN': '1', 'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,1z'},
+		{ UBSAN: '1', TOOLSET: 'clang', COMPILER: 'clang++', CXXSTD: '03,11,14,1z' },
 	),
 
 	windows_pipeline(