diff --git a/include/import/ist.h b/include/import/ist.h
index 978fb3c72..1ac23c815 100644
--- a/include/import/ist.h
+++ b/include/import/ist.h
@@ -38,7 +38,7 @@
 #endif
 
 /* ASCII to lower case conversion table */
-#define _IST_LC ((const unsigned char[256]){            \
+#define _IST_LC {                                       \
 	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, \
 	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, \
 	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, \
@@ -71,10 +71,10 @@
 	0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, \
 	0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, \
 	0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, \
-})
+}
 
 /* ASCII to upper case conversion table */
-#define _IST_UC ((const unsigned char[256]){            \
+#define _IST_UC {                                       \
 	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, \
 	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, \
 	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, \
@@ -107,14 +107,14 @@
 	0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, \
 	0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, \
 	0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, \
-})
+}
 
 #ifdef USE_OBSOLETE_LINKER
 /* some old linkers and some non-ELF platforms have issues with the weak
  * attribute so we turn these arrays to literals there.
  */
-#define ist_lc _IST_LC
-#define ist_uc _IST_UC
+#define ist_lc ((const unsigned char[256])_IST_LC)
+#define ist_uc ((const unsigned char[256])_IST_UC)
 #else
 const unsigned char ist_lc[256] __attribute__((weak)) = _IST_LC;
 const unsigned char ist_uc[256] __attribute__((weak)) = _IST_UC;