diff --git a/ports/cc3200/misc/help.c b/ports/cc3200/misc/help.c
index 739303e19..ea0c9501d 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 2035cdd6c..0a851f4c4 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 ea0b6921b..f9d97b70d 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 ebe4bed6b..a2370c04d 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 0c7f27940..becc203f6 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 a637b6e22..84b99a8a4 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 e10e48b7d..c9992906d 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"