diff --git a/c-icap.spec b/c-icap.spec
index 6ca668d..d081ecc 100644
--- a/c-icap.spec
+++ b/c-icap.spec
@@ -81,7 +81,7 @@ The %{name}-progs package contains several commandline tools for %{name}.
 %configure \
 	CFLAGS="${RPM_OPT_FLAGS} -fno-strict-aliasing" \
 	--sysconfdir=%{_sysconfdir}/%{name}            \
-        --prefix=/                                     \
+        --prefix=''                                    \
 	--with-perl                                    \
 	--with-zlib                                    \
 	--with-bdb                                     \