diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5d876213c..e4aedf923 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,7 +25,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED YES)
 if (MSVC)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHs-c- /GR-")
 else ()
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions -frtti")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -frtti")
 endif ()
 
 include(FindPackageHandleStandardArgs)
diff --git a/build.sh b/build.sh
index fbc73b200..774ee2105 100755
--- a/build.sh
+++ b/build.sh
@@ -237,6 +237,7 @@ if [[ $SKIP_POLYGEIST -eq 0 ]]; then
         -DLLVM_ENABLE_PROJECTS="mlir;clang;polly" \
         -DLLVM_TARGETS_TO_BUILD="host" \
         -DLLVM_ENABLE_RTTI=ON \
+        -DLLVM_ENABLE_EH=ON \
         -DBUILD_SHARED_LIBS=ON \
         -DCMAKE_BUILD_TYPE=$BUILD_TYPE \
         -DLLVM_PARALLEL_LINK_JOBS=$LLVM_PARALLEL_LINK_JOBS \