diff --git a/src/babashka/impl/clojure/core.clj b/src/babashka/impl/clojure/core.clj
index ece78db3..aafdee3b 100644
--- a/src/babashka/impl/clojure/core.clj
+++ b/src/babashka/impl/clojure/core.clj
@@ -31,6 +31,7 @@
 (def command-line-args (core-dynamic-var '*command-line-args*))
 (def warn-on-reflection (core-dynamic-var '*warn-on-reflection* false))
 (def compile-files (core-dynamic-var '*compile-files* false))
+(def unchecked-math (core-dynamic-var '*unchecked-math* false))
 (def math-context (core-dynamic-var '*math-context*))
 
 (defn read+string
@@ -169,6 +170,7 @@
    '*command-line-args* command-line-args
    '*warn-on-reflection* warn-on-reflection
    '*compile-files* compile-files
+   '*unchecked-math* unchecked-math
    '*math-context* math-context
    'with-precision (sci/copy-var with-precision clojure-core-ns)
    '-with-precision (sci/copy-var -with-precision clojure-core-ns)
diff --git a/src/babashka/main.clj b/src/babashka/main.clj
index 41575a6e..c33473ae 100644
--- a/src/babashka/main.clj
+++ b/src/babashka/main.clj
@@ -703,6 +703,7 @@ Use bb run --help to show this help output.
 (defn exec [cli-opts]
   (binding [*unrestricted* true]
     (sci/binding [core/warn-on-reflection @core/warn-on-reflection
+                  core/unchecked-math @core/unchecked-math
                   core/data-readers @core/data-readers
                   sci/ns @sci/ns]
       (let [{version-opt :version