diff --git a/src/info.cpp b/src/info.cpp
index dc95f8a30f..bbc94fbccb 100644
--- a/src/info.cpp
+++ b/src/info.cpp
@@ -299,6 +299,7 @@ void Info::command(int narg, char **arg)
     if (has_png_support()) fputs("-DLAMMPS_PNG\n",out);
     if (has_jpeg_support()) fputs("-DLAMMPS_JPEG\n",out);
     if (has_ffmpeg_support()) fputs("-DLAMMPS_FFMPEG\n",out);
+    if (has_fft_single_support()) fputs("-DFFT_SINGLE\n",out);
     if (has_exceptions()) fputs("-DLAMMPS_EXCEPTIONS\n",out);
 
 #if defined(LAMMPS_BIGBIG)
@@ -879,6 +880,8 @@ bool Info::is_available(const char *category, const char *name)
       return has_jpeg_support();
     } else if (strcmp(name,"ffmpeg") == 0) {
       return has_ffmpeg_support();
+    } else if (strcmp(name,"fft_single") == 0) {
+      return has_fft_single_support();
     } else if (strcmp(name,"exceptions") == 0) {
       return has_exceptions();
     }
@@ -1127,6 +1130,14 @@ bool Info::has_ffmpeg_support() {
 #endif
 }
 
+bool Info::has_fft_single_support() {
+#ifdef FFT_SINGLE
+  return true;
+#else
+  return false;
+#endif
+}
+
 bool Info::has_exceptions() {
 #ifdef LAMMPS_EXCEPTIONS
   return true;
diff --git a/src/info.h b/src/info.h
index 0e7bfb68f3..c1e10a2336 100644
--- a/src/info.h
+++ b/src/info.h
@@ -42,6 +42,7 @@ class Info : public Command {
   static bool has_png_support();
   static bool has_jpeg_support();
   static bool has_ffmpeg_support();
+  static bool has_fft_single_support();
   static bool has_exceptions();
   static bool has_package(const std::string &);
   static bool has_accelerator_feature(const std::string &, const std::string &,
diff --git a/src/lammps.cpp b/src/lammps.cpp
index 7185074ab4..8541011814 100644
--- a/src/lammps.cpp
+++ b/src/lammps.cpp
@@ -1348,6 +1348,7 @@ void LAMMPS::print_config(FILE *fp)
   if (Info::has_png_support()) fputs("-DLAMMPS_PNG\n",fp);
   if (Info::has_jpeg_support()) fputs("-DLAMMPS_JPEG\n",fp);
   if (Info::has_ffmpeg_support()) fputs("-DLAMMPS_FFMPEG\n",fp);
+  if (Info::has_fft_single_support()) fputs("-DFFT_SINGLE\n",fp);
   if (Info::has_exceptions()) fputs("-DLAMMPS_EXCEPTIONS\n",fp);
 #if defined(LAMMPS_BIGBIG)
   fputs("-DLAMMPS_BIGBIG\n",fp);