diff --git a/gas/ChangeLog b/gas/ChangeLog
index 1bfb0ea7de..1c08253357 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,7 @@
+2005-05-05  Steve Ellcey  <sje@cup.hp.com>
+
+	* config/tc-ia64.c (MIN): Undef.
+
 2005-05-05  Paul Brook  <paul@codesourcery.com>
 
 	* config/tc-i386.h (ELF_TARGET_FORMAT): Define for TE_VXWORKS.
diff --git a/gas/config/tc-ia64.c b/gas/config/tc-ia64.c
index 31adc3d36f..729ce27262 100644
--- a/gas/config/tc-ia64.c
+++ b/gas/config/tc-ia64.c
@@ -56,6 +56,9 @@
 #endif
 
 #define NELEMS(a)	((int) (sizeof (a)/sizeof ((a)[0])))
+
+/* Some systems define MIN in, e.g., param.h.  */
+#undef MIN
 #define MIN(a,b)	((a) < (b) ? (a) : (b))
 
 #define NUM_SLOTS	4