diff --git a/fldigi-3.23.07-cxx11.patch b/fldigi-3.23.07-cxx11.patch
new file mode 100644
index 0000000..f8df044
--- /dev/null
+++ b/fldigi-3.23.07-cxx11.patch
@@ -0,0 +1,51 @@
+--- fldigi-3.23.07/src/fsq/fsq.cxx.orig	2016-02-02 21:28:31.000187067 +0000
++++ fldigi-3.23.07/src/fsq/fsq.cxx	2016-02-02 22:11:53.905958417 +0000
+@@ -1195,9 +1195,11 @@
+ 						&rx_stream[SHIFT_SIZE],				// from
+ 						BLOCK_SIZE*sizeof(*rx_stream));	// # bytes
+ 				memset(fft_data, 0, sizeof(fft_data));
+-				for (int i = 0; i < BLOCK_SIZE; i++)
+-					fft_data[i].real() = fft_data[i].imag() =
+-						rx_stream[i] * a_blackman[i];
++				for (int i = 0; i < BLOCK_SIZE; i++) {
++					double d = rx_stream[i] * a_blackman[i];
++					fft_data[i].real(d);
++					fft_data[i].imag(d);
++				}
+ 				fft->ComplexFFT(fft_data);
+ 				process_tones();
+ 			}
+@@ -1449,6 +1451,7 @@
+ 
+ void fsq_repeat_last_command()
+ {
++	using ::next;  // disambiguate from std::next
+ 	fsq_tx_text->clear();
+ 	fsq_tx_text->addstr(sz2utf8(commands[next].c_str()));
+ 	next++;
+@@ -1494,7 +1497,7 @@
+ 	if (active_modem != fsq_modem) return;
+ 
+ 	if (!active_modem->fsq_squelch_open() && trx_state == STATE_RX) {
+-		next = 0;
++		::next = 0;
+ 		fsq_que_clear();
+ //LOG_WARN("%s", "start_tx()");
+ 		start_tx();
+--- fldigi-3.23.07/src/ifkp/ifkp.cxx.orig	2016-02-02 19:36:16.198368410 +0000
++++ fldigi-3.23.07/src/ifkp/ifkp.cxx	2016-02-02 22:11:13.321744996 +0000
+@@ -580,9 +580,11 @@
+ 						&rx_stream[IFKP_SHIFT_SIZE],			// from
+ 						IFKP_BLOCK_SIZE*sizeof(*rx_stream));	// # bytes
+ 				memset(fft_data, 0, sizeof(fft_data));
+-				for (int i = 0; i < IFKP_BLOCK_SIZE; i++)
+-					fft_data[i].real() = fft_data[i].imag() =
+-						rx_stream[i] * a_blackman[i];
++				for (int i = 0; i < IFKP_BLOCK_SIZE; i++) {
++					double d = rx_stream[i] * a_blackman[i];
++					fft_data[i].real(d);
++					fft_data[i].imag(d);
++                                }
+ 				fft->ComplexFFT(fft_data);
+ 				process_tones();
+ 			}
diff --git a/fldigi.spec b/fldigi.spec
index 52dec46..ba378d7 100644
--- a/fldigi.spec
+++ b/fldigi.spec
@@ -2,7 +2,7 @@
 
 Name:           fldigi
 Version:        3.23.07
-Release:        1%{?prerel:.%{prerel}}%{?dist}
+Release:        2%{?prerel:.%{prerel}}%{?dist}
 Summary:        Digital modem program for Linux
 License:        GPLv3+  
 
@@ -10,6 +10,7 @@ URL:            http://www.w1hkj.com/Fldigi.html
 Source0:        http://downloads.sourceforge.net/%{name}/%{name}-%{version}%{?prerel}.tar.gz
 Source1:        http://downloads.sourceforge.net/%{name}/%{name}-help.pdf
 Source100:      fldigi.appdata.xml
+Patch0:         fldigi-3.23.07-cxx11.patch
 
 BuildRequires:  hamlib-devel
 BuildRequires:  fltk-devel >= 1.3
@@ -58,6 +59,7 @@ PDF User Manual for %{name}.
 
 %prep
 %setup -q -n %{name}-%{version}%{?prerel}
+%patch0 -p1
 
 # Remove bundled xmlrpc library
 #rm -rf src/xmlrpcpp
@@ -132,6 +134,9 @@ fi
 
 
 %changelog
+* Tue Feb 02 2016 Jonathan Wakely <jwakely@redhat.com> - 3.23.07-2
+- Patched for C++11 compatibility.
+
 * Fri Jan 22 2016 Richard Shaw <hobbes1069@gmail.com> - 3.23.07-1
 - Update to latest upstream release.