diff --git a/src/lib3270++/ipc/session.cc b/src/lib3270++/ipc/session.cc
index 5617470..9dbef59 100644
--- a/src/lib3270++/ipc/session.cc
+++ b/src/lib3270++/ipc/session.cc
@@ -66,7 +66,7 @@
 			debug("Running waitForReady request...");
 
 			Request(*this,"waitForReady")
-				.push(1)
+				.push((uint32_t) 1)
 				.call()
 				.pop(rc);
 
--
libgit2 0.21.2