diff --git a/fdupes.changes b/fdupes.changes
index ca374af..4055d71 100644
--- a/fdupes.changes
+++ b/fdupes.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun Mar 25 22:13:12 UTC 2012 - behrisch@users.sf.net
+
+- added "which" requirement for red hat distros
+
 -------------------------------------------------------------------
 Mon Feb 13 10:46:03 UTC 2012 - coolo@suse.com
 
diff --git a/fdupes.spec b/fdupes.spec
index 7ccc755..b2ef66c 100644
--- a/fdupes.spec
+++ b/fdupes.spec
@@ -31,6 +31,9 @@ Patch2:         fdupes-speedup.patch
 #PATCH-FIX-OPENSUSE - bnc#406825
 Patch3:         fdupes-endianness.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
+%if 0%{?centos_version} || 0%{?rhel_version} || 0%{?fedora_version}
+BuildRequires:  which
+%endif
 
 %description
 FDUPES is a program for identifying or deleting duplicate files