diff --git a/nasm.spec b/nasm.spec
index de4f304..8ca4ae2 100644
--- a/nasm.spec
+++ b/nasm.spec
@@ -1,4 +1,10 @@
+%if 0%{?rhel} > 0
+# On RHEL we default to building WITHOUT documentation.
+%bcond_with documentation
+%else
+# Default to building WITH documentation.
 %bcond_without documentation
+%endif
 
 Summary: A portable x86 assembler which uses Intel-like syntax
 Name: nasm