diff --git a/.jenkins/build.sh b/.jenkins/build.sh
index f56152dd0..db71e3e98 100644
--- a/.jenkins/build.sh
+++ b/.jenkins/build.sh
@@ -118,7 +118,7 @@ build() {
 				echo [-] Switching to MSYSTEM [$msys]
 				cd "$cwd"
 				CHERE_INVOKING=yes MSYSTEM=$msys JOB_BASE_NAME=$JOB_BASE_NAME BUILD_TYPE=$BUILD_TYPE BUILD_NUMBER=$BUILD_NUMBER GIT_COMMIT=$GIT_COMMIT \
-					bash -lc '"'$0'" -b "'$arch'" '$cmake_flags && job_exit=0
+					bash -lc 'exec "'$0'" -b "'$arch'" '$cmake_flags && job_exit=0 # make sure the main script exits cleanly on any success
 				return $?
 			fi
 		else