diff --git a/CMakeLists.txt b/CMakeLists.txt
index de68a02..d84ed65 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -98,7 +98,7 @@ if (BUILD_LIBFUZZER)
        src/lib/Stream.c
     )
     
-    target_compile_options(${PROJECT_NAME}_LF PUBLIC -mno-avx -fsanitize=fuzzer-no-link)
+    target_compile_options(${PROJECT_NAME}_LF PUBLIC -mno-avx -fsanitize=fuzzer-no-link,undefined)
     
     target_include_directories(${PROJECT_NAME}_LF
        PUBLIC SYSTEM "${CMAKE_SOURCE_DIR}/src/include"
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index ab5ec63..062cab4 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -19,7 +19,7 @@ target_link_libraries(Crash deepstate)
 if (BUILD_LIBFUZZER)
    add_executable(Crash_LF Crash.cpp) 
    target_link_libraries(Crash_LF deepstate_LF)
-   target_link_libraries (Crash_LF "-fsanitize=fuzzer")
+   target_link_libraries (Crash_LF "-fsanitize=fuzzer,undefined")
    set_target_properties(Crash_LF PROPERTIES COMPILE_DEFINITIONS "LIBFUZZER")
 endif()
 
@@ -29,7 +29,7 @@ target_link_libraries(OneOf deepstate)
 if (BUILD_LIBFUZZER)
    add_executable(OneOf_LF OneOf.cpp) 
    target_link_libraries(OneOf_LF deepstate_LF)
-   target_link_libraries (OneOf_LF "-fsanitize=fuzzer")
+   target_link_libraries (OneOf_LF "-fsanitize=fuzzer,undefined")
    set_target_properties(OneOf_LF PROPERTIES COMPILE_DEFINITIONS "LIBFUZZER")
 endif()
 
@@ -39,7 +39,7 @@ target_link_libraries(Fixture deepstate)
 if (BUILD_LIBFUZZER)
    add_executable(Fixture_LF Fixture.cpp) 
    target_link_libraries(Fixture_LF deepstate_LF)
-   target_link_libraries (Fixture_LF "-fsanitize=fuzzer")
+   target_link_libraries (Fixture_LF "-fsanitize=fuzzer,undefined")
    set_target_properties(Fixture_LF PROPERTIES COMPILE_DEFINITIONS "LIBFUZZER")
 endif()
 
@@ -49,7 +49,7 @@ target_link_libraries(Primes deepstate)
 if (BUILD_LIBFUZZER)
    add_executable(Primes_LF Primes.cpp) 
    target_link_libraries(Primes_LF deepstate_LF)
-   target_link_libraries (Primes_LF "-fsanitize=fuzzer")
+   target_link_libraries (Primes_LF "-fsanitize=fuzzer,undefined")
    set_target_properties(Primes_LF PROPERTIES COMPILE_DEFINITIONS "LIBFUZZER")
 endif()
 
@@ -59,7 +59,7 @@ target_link_libraries(Euler deepstate)
 if (BUILD_LIBFUZZER)
    add_executable(Euler_LF Euler.cpp) 
    target_link_libraries(Euler_LF deepstate_LF)
-   target_link_libraries (Euler_LF "-fsanitize=fuzzer")
+   target_link_libraries (Euler_LF "-fsanitize=fuzzer,undefined")
    set_target_properties(Euler_LF PROPERTIES COMPILE_DEFINITIONS "LIBFUZZER")
 endif()
 
@@ -69,7 +69,7 @@ target_link_libraries(IntegerOverflow deepstate)
 if (BUILD_LIBFUZZER)
    add_executable(IntegerOverflow_LF IntegerOverflow.cpp) 
    target_link_libraries(IntegerOverflow_LF deepstate_LF)
-   target_link_libraries (IntegerOverflow_LF "-fsanitize=fuzzer")
+   target_link_libraries (IntegerOverflow_LF "-fsanitize=fuzzer,undefined")
    set_target_properties(IntegerOverflow_LF PROPERTIES COMPILE_DEFINITIONS "LIBFUZZER")
 endif()
 
@@ -79,7 +79,7 @@ target_link_libraries(IntegerArithmetic deepstate)
 if (BUILD_LIBFUZZER)
    add_executable(IntegerArithmetic_LF IntegerArithmetic.cpp) 
    target_link_libraries(IntegerArithmetic_LF deepstate_LF)
-   target_link_libraries (IntegerArithmetic_LF "-fsanitize=fuzzer")
+   target_link_libraries (IntegerArithmetic_LF "-fsanitize=fuzzer,undefined")
    set_target_properties(IntegerArithmetic_LF PROPERTIES COMPILE_DEFINITIONS "LIBFUZZER")
 endif()
 
@@ -89,7 +89,7 @@ target_link_libraries(Lists deepstate)
 if (BUILD_LIBFUZZER)
    add_executable(Lists_LF Lists.cpp) 
    target_link_libraries(Lists_LF deepstate_LF)
-   target_link_libraries (Lists_LF "-fsanitize=fuzzer")
+   target_link_libraries (Lists_LF "-fsanitize=fuzzer,undefined")
    set_target_properties(Lists_LF PROPERTIES COMPILE_DEFINITIONS "LIBFUZZER")
 endif()
 
@@ -99,7 +99,7 @@ target_link_libraries(StreamingAndFormatting deepstate)
 if (BUILD_LIBFUZZER)
    add_executable(StreamingAndFormatting_LF StreamingAndFormatting.cpp) 
    target_link_libraries(StreamingAndFormatting_LF deepstate_LF)
-   target_link_libraries (StreamingAndFormatting_LF "-fsanitize=fuzzer")
+   target_link_libraries (StreamingAndFormatting_LF "-fsanitize=fuzzer,undefined")
    set_target_properties(StreamingAndFormatting_LF PROPERTIES COMPILE_DEFINITIONS "LIBFUZZER")
 endif()