diff --git a/ports/cc3200/misc/help.c b/ports/cc3200/misc/help.c
index 739303e193ef10d839c4775d51020a731fbeb44c..ea0c9501dbce028ed68f1e6d2addfd5a26da74ce 100644
--- a/ports/cc3200/misc/help.c
+++ b/ports/cc3200/misc/help.c
@@ -27,6 +27,6 @@
 
 #include "py/builtin.h"
 
-const char *cc3200_help_text = "Welcome to MicroPython!\n"
+const char cc3200_help_text[] = "Welcome to MicroPython!\n"
                                 "For online help please visit http://micropython.org/help/.\n"
                                 "For further help on a specific object, type help(obj)\n";
diff --git a/ports/esp8266/help.c b/ports/esp8266/help.c
index 2035cdd6cb837bb6b3db19a29ed7977da4a5fd44..0a851f4c487c4be9fcabb2914549032ad53362d7 100644
--- a/ports/esp8266/help.c
+++ b/ports/esp8266/help.c
@@ -26,7 +26,7 @@
 
 #include "py/builtin.h"
 
-const char *esp_help_text =
+const char esp_help_text[] =
 "Welcome to MicroPython!\n"
 "\n"
 "For online docs please visit http://docs.micropython.org/en/latest/esp8266/ .\n"
diff --git a/ports/stm32/help.c b/ports/stm32/help.c
index ea0b6921b0ab6371322c711a1c712f55e3e4165c..f9d97b70d662d6a17c34a9f4257219fc59f211ec 100644
--- a/ports/stm32/help.c
+++ b/ports/stm32/help.c
@@ -26,7 +26,7 @@
 
 #include "py/builtin.h"
 
-const char *stm32_help_text =
+const char stm32_help_text[] =
 "Welcome to MicroPython!\n"
 "\n"
 "For online help please visit http://micropython.org/help/.\n"
diff --git a/ports/teensy/help.c b/ports/teensy/help.c
index ebe4bed6bf8d54fa7d14ae1b76d680a015f52c0d..a2370c04d2cd7c0e755b742e7198c3950c58e671 100644
--- a/ports/teensy/help.c
+++ b/ports/teensy/help.c
@@ -26,7 +26,7 @@
 
 #include "py/builtin.h"
 
-const char *teensy_help_text =
+const char teensy_help_text[] =
 "Welcome to MicroPython!\n"
 "\n"
 "For online help please visit http://micropython.org/help/.\n"
diff --git a/ports/zephyr/help.c b/ports/zephyr/help.c
index 0c7f279406da64df1119a40ea25fb8d0e0232757..becc203f6f80d7ef067eb6a4058a840a61b98ef2 100644
--- a/ports/zephyr/help.c
+++ b/ports/zephyr/help.c
@@ -26,7 +26,7 @@
 
 #include "py/builtin.h"
 
-const char *zephyr_help_text =
+const char zephyr_help_text[] =
 "Welcome to MicroPython!\n"
 "\n"
 "Control commands:\n"
diff --git a/py/builtin.h b/py/builtin.h
index a637b6e22204d42d26baa97320786d20f6c0a132..84b99a8a4f2ea0a794fedf1ca26320407be47222 100644
--- a/py/builtin.h
+++ b/py/builtin.h
@@ -118,6 +118,6 @@ extern const mp_obj_module_t mp_module_webrepl;
 extern const mp_obj_module_t mp_module_framebuf;
 extern const mp_obj_module_t mp_module_btree;
 
-extern const char *MICROPY_PY_BUILTINS_HELP_TEXT;
+extern const char MICROPY_PY_BUILTINS_HELP_TEXT[];
 
 #endif // MICROPY_INCLUDED_PY_BUILTIN_H
diff --git a/py/builtinhelp.c b/py/builtinhelp.c
index e10e48b7d9d77dd6f0f69e02aa42193b0ba3ecf3..c9992906dd615764300c7ed090e605589d68a975 100644
--- a/py/builtinhelp.c
+++ b/py/builtinhelp.c
@@ -32,7 +32,7 @@
 
 #if MICROPY_PY_BUILTINS_HELP
 
-const char *mp_help_default_text =
+const char mp_help_default_text[] =
 "Welcome to MicroPython!\n"
 "\n"
 "For online docs please visit http://docs.micropython.org/\n"