diff --git a/servers/slapd/schema_check.c b/servers/slapd/schema_check.c
index 62f2d704c2..ca0f730980 100644
--- a/servers/slapd/schema_check.c
+++ b/servers/slapd/schema_check.c
@@ -357,7 +357,7 @@ got_soc:
 				}
 
 				if( xc != NULL ) {
-					snprintf( textbuf, textlen, "instanstantiation of "
+					snprintf( textbuf, textlen, "instantiation of "
 						"abstract objectClass '%s' not allowed",
 						aoc->a_vals[i].bv_val );