diff --git a/libc/src/__support/ryu_long_double_constants.h b/libc/src/__support/ryu_long_double_constants.h
diff --git a/libc/src/stdio/printf_core/CMakeLists.txt b/libc/src/stdio/printf_core/CMakeLists.txt
@@ -99,8 +99,8 @@ add_object_library(
     libc.src.__support.uint128
     libc.src.__support.integer_to_string
     libc.src.__support.float_to_string
-  # COMPILE_OPTIONS
-    # -DLIBC_COPT_FLOAT_TO_STR_USE_MEGA_LONG_DOUBLE_TABLE
+  COMPILE_OPTIONS
+    -DLIBC_COPT_FLOAT_TO_STR_USE_MEGA_LONG_DOUBLE_TABLE
 )
 
 

diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -312,8 +312,7 @@ libc_support_library(
         "src/__support/ryu_constants.h",
         "src/__support/ryu_long_double_constants.h",
     ],
-    # This is temporarily commented out since the table is too large to land in the same patch as the rest of the changes.
-    # defines = ["LIBC_COPT_FLOAT_TO_STR_USE_MEGA_LONG_DOUBLE_TABLE"],
+    defines = ["LIBC_COPT_FLOAT_TO_STR_USE_MEGA_LONG_DOUBLE_TABLE"],
     deps = [
         ":__support_common",
         ":__support_cpp_type_traits",