diff --git a/examples/OCaml-Kaleidoscope/Chapter4/codegen.ml b/examples/OCaml-Kaleidoscope/Chapter4/codegen.ml
index 69d0928b1bc..8957f4c610f 100644
--- a/examples/OCaml-Kaleidoscope/Chapter4/codegen.ml
+++ b/examples/OCaml-Kaleidoscope/Chapter4/codegen.ml
@@ -22,9 +22,9 @@ let rec codegen_expr = function
       let rhs_val = codegen_expr rhs in
       begin
         match op with
-        | '+' -> build_add lhs_val rhs_val "addtmp" builder
-        | '-' -> build_sub lhs_val rhs_val "subtmp" builder
-        | '*' -> build_mul lhs_val rhs_val "multmp" builder
+        | '+' -> build_fadd lhs_val rhs_val "addtmp" builder
+        | '-' -> build_fsub lhs_val rhs_val "subtmp" builder
+        | '*' -> build_fmul lhs_val rhs_val "multmp" builder
         | '<' ->
             (* Convert bool 0/1 to double 0.0 or 1.0 *)
             let i = build_fcmp Fcmp.Ult lhs_val rhs_val "cmptmp" builder in
diff --git a/examples/OCaml-Kaleidoscope/Chapter5/codegen.ml b/examples/OCaml-Kaleidoscope/Chapter5/codegen.ml
index e0db2d2c862..e4570a65759 100644
--- a/examples/OCaml-Kaleidoscope/Chapter5/codegen.ml
+++ b/examples/OCaml-Kaleidoscope/Chapter5/codegen.ml
@@ -22,9 +22,9 @@ let rec codegen_expr = function
       let rhs_val = codegen_expr rhs in
       begin
         match op with
-        | '+' -> build_add lhs_val rhs_val "addtmp" builder
-        | '-' -> build_sub lhs_val rhs_val "subtmp" builder
-        | '*' -> build_mul lhs_val rhs_val "multmp" builder
+        | '+' -> build_fadd lhs_val rhs_val "addtmp" builder
+        | '-' -> build_fsub lhs_val rhs_val "subtmp" builder
+        | '*' -> build_fmul lhs_val rhs_val "multmp" builder
         | '<' ->
             (* Convert bool 0/1 to double 0.0 or 1.0 *)
             let i = build_fcmp Fcmp.Ult lhs_val rhs_val "cmptmp" builder in
diff --git a/examples/OCaml-Kaleidoscope/Chapter6/codegen.ml b/examples/OCaml-Kaleidoscope/Chapter6/codegen.ml
index e00edf294f8..96674359440 100644
--- a/examples/OCaml-Kaleidoscope/Chapter6/codegen.ml
+++ b/examples/OCaml-Kaleidoscope/Chapter6/codegen.ml
@@ -31,9 +31,9 @@ let rec codegen_expr = function
       let rhs_val = codegen_expr rhs in
       begin
         match op with
-        | '+' -> build_add lhs_val rhs_val "addtmp" builder
-        | '-' -> build_sub lhs_val rhs_val "subtmp" builder
-        | '*' -> build_mul lhs_val rhs_val "multmp" builder
+        | '+' -> build_fadd lhs_val rhs_val "addtmp" builder
+        | '-' -> build_fsub lhs_val rhs_val "subtmp" builder
+        | '*' -> build_fmul lhs_val rhs_val "multmp" builder
         | '<' ->
             (* Convert bool 0/1 to double 0.0 or 1.0 *)
             let i = build_fcmp Fcmp.Ult lhs_val rhs_val "cmptmp" builder in
diff --git a/examples/OCaml-Kaleidoscope/Chapter7/codegen.ml b/examples/OCaml-Kaleidoscope/Chapter7/codegen.ml
index e8fac32f5b2..e66396eb6ac 100644
--- a/examples/OCaml-Kaleidoscope/Chapter7/codegen.ml
+++ b/examples/OCaml-Kaleidoscope/Chapter7/codegen.ml
@@ -60,9 +60,9 @@ let rec codegen_expr = function
           let rhs_val = codegen_expr rhs in
           begin
             match op with
-            | '+' -> build_add lhs_val rhs_val "addtmp" builder
-            | '-' -> build_sub lhs_val rhs_val "subtmp" builder
-            | '*' -> build_mul lhs_val rhs_val "multmp" builder
+            | '+' -> build_fadd lhs_val rhs_val "addtmp" builder
+            | '-' -> build_fsub lhs_val rhs_val "subtmp" builder
+            | '*' -> build_fmul lhs_val rhs_val "multmp" builder
             | '<' ->
                 (* Convert bool 0/1 to double 0.0 or 1.0 *)
                 let i = build_fcmp Fcmp.Ult lhs_val rhs_val "cmptmp" builder in