diff --git a/configure.ac b/configure.ac
index 4b01a32d..b5054ff4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -61,7 +61,7 @@ case $host_cpu in
   x86_64)
         ;;
   *)
-        SPICE_WARNING([spice-server on non-x86_64 architectures hasn't been extensively tested])
+        SPICE_WARNING([spice-server on non-x86_64 architectures has not been extensively tested])
 esac
 
 dnl =========================================================================