diff --git a/contrib/fedora-core.spec b/contrib/fedora-core.spec
index 21e176f13..ba091cb02 100644
--- a/contrib/fedora-core.spec
+++ b/contrib/fedora-core.spec
@@ -43,7 +43,7 @@ Matroska video utilities.
 
 %prep
 %setup
-%configure --prefix=%{_prefix}
+%configure --prefix=%{_prefix} $EXTRA_CONFIGURE_ARGS
 
 %build
 ./drake
diff --git a/contrib/opensuse-10.spec b/contrib/opensuse-10.spec
index c2a3c5948..f38a1b161 100644
--- a/contrib/opensuse-10.spec
+++ b/contrib/opensuse-10.spec
@@ -38,7 +38,7 @@ rm -rf $RPM_BUILD_ROOT
 
 %build
 export CFLAGS="$RPM_OPT_FLAGS"
-./configure --prefix=/usr --mandir=/usr/share/man
+./configure --prefix=/usr --mandir=/usr/share/man $EXTRA_CONFIGURE_ARGS
 ./drake
 
 %install