diff --git a/src/m0/c/m0_ops.c b/src/m0/c/m0_ops.c
index a11c354628..780266d7d8 100644
--- a/src/m0/c/m0_ops.c
+++ b/src/m0/c/m0_ops.c
@@ -69,7 +69,7 @@ static void
 m0_op_print_n( M0_CallFrame *frame, const unsigned char *ops )
 {
     /* note the lack of filehandle selection (ops[1]) for output */
-    fprintf( stdout, "%.15g", (unsigned long)frame->registers[ ops[2] ] );
+    fprintf( stdout, "%f", *(double*)&frame->registers[ ops[2] ] );
 }
 
 static void