diff --git a/tmk_core/common/progmem.h b/tmk_core/common/progmem.h
index dcc9efb3cef8..de931383972d 100644
--- a/tmk_core/common/progmem.h
+++ b/tmk_core/common/progmem.h
@@ -5,9 +5,9 @@
 #   include <avr/pgmspace.h>
 #else
 #   define PROGMEM
-#   define pgm_read_byte(p)     *((unsigned char*)p)
-#   define pgm_read_word(p)     *((uint16_t*)p)
-#   define pgm_read_dword(p)    *((uint32_t*)p)
+#   define pgm_read_byte(p)     *((unsigned char*)(p))
+#   define pgm_read_word(p)     *((uint16_t*)(p))
+#   define pgm_read_dword(p)    *((uint32_t*)(p))
 #endif
 
 #endif