diff --git a/0001-Unbundle-Random123.patch b/0001-Unbundle-Random123.patch
index 86b77aa..db8333f 100644
--- a/0001-Unbundle-Random123.patch
+++ b/0001-Unbundle-Random123.patch
@@ -1,7 +1,7 @@
 From b5a4df18e249b9b0181698e3353b57e1063ebede Mon Sep 17 00:00:00 2001
 From: "Ankur Sinha (Ankur Sinha Gmail)" <sanjay.ankur@gmail.com>
 Date: Wed, 19 Jun 2019 18:35:39 +0100
-Subject: [PATCH 1/2] Unbundle Random123
+Subject: [PATCH 1/3] Unbundle Random123
 
 ---
  configure.ac    | 2 +-
diff --git a/0002-Unbundle-readline.patch b/0002-Unbundle-readline.patch
index e177fa1..820b57c 100644
--- a/0002-Unbundle-readline.patch
+++ b/0002-Unbundle-readline.patch
@@ -1,7 +1,7 @@
 From 6acd994ba41f05cef28c789c9125f264f0d4e9cc Mon Sep 17 00:00:00 2001
 From: "Ankur Sinha (Ankur Sinha Gmail)" <sanjay.ankur@gmail.com>
 Date: Wed, 19 Jun 2019 18:37:49 +0100
-Subject: [PATCH 2/2] Unbundle readline
+Subject: [PATCH 2/3] Unbundle readline
 
 ---
  configure.ac    |  3 +--
diff --git a/0003-Remove-iv-include.patch b/0003-Remove-iv-include.patch
new file mode 100644
index 0000000..8a3a193
--- /dev/null
+++ b/0003-Remove-iv-include.patch
@@ -0,0 +1,27 @@
+From ccf69494d55252dbdcf94c2fc5fbe3ca286ed48f Mon Sep 17 00:00:00 2001
+From: "Ankur Sinha (Ankur Sinha Gmail)" <sanjay.ankur@gmail.com>
+Date: Wed, 19 Jun 2019 21:37:21 +0100
+Subject: [PATCH 3/3] Remove iv include
+
+---
+ configure.ac | 4 ----
+ 1 file changed, 4 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 61a06940..5dc5b111 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -33,10 +33,6 @@ AH_TOP([
+ #define H_nrnconf_included 1
+ ])
+ AH_BOTTOM([
+-#if defined(__cplusplus)
+-#include <ivstream.h>
+-#endif
+-
+ #if defined(CYGWIN) || defined(MINGW)
+ #define WIN32 1
+ #endif
+-- 
+2.21.0
+
diff --git a/neuron.spec b/neuron.spec
index 623a3fb..04afee3 100644
--- a/neuron.spec
+++ b/neuron.spec
@@ -27,7 +27,7 @@ Please install the %{name}-devel package to compile nmodl files and so on.
 
 Name:       neuron
 Version:    7.7.1
-Release:    1%{?dist}
+Release:    2%{?dist}
 Summary:    A flexible and powerful simulator of neurons and networks
 
 License:    GPLv3+
@@ -43,6 +43,11 @@ Patch0:     0001-Unbundle-Random123.patch
 # Unbundle readline
 Patch1:     0002-Unbundle-readline.patch
 
+# If without iv, this needs to be
+%if !%{with iv}
+Patch2:     0003-Remove-iv-include.patch
+%endif
+
 # Random123 does not build on these, so neither can NEURON
 # https://github.com/neuronsimulator/nrn/issues/114
 ExcludeArch:    %{arm} mips64r2 mips32r2 s390 s390x
@@ -261,6 +266,9 @@ mv $RPM_BUILD_ROOT/%{_bindir}/oc $RPM_BUILD_ROOT/%{_bindir}/hoc
 %{_datadir}/%{tarname}/demo
 
 %changelog
+* Wed Jun 19 2019 Ankur Sinha <ankursinha AT fedoraproject DOT org> - 7.7.1-2
+- Remove iv header from nrnconfig file
+
 * Wed Jun 19 2019 Ankur Sinha <ankursinha AT fedoraproject DOT org> - 7.7.1-1
 - Revert to using release tar
 - Use bundled sundials