diff --git a/src/ctfindvar/ctfindvar.cpp b/src/ctfindvar/ctfindvar.cpp
index 90265d8..5883ee2 100644
--- a/src/ctfindvar/ctfindvar.cpp
+++ b/src/ctfindvar/ctfindvar.cpp
@@ -609,7 +609,6 @@ void ctfindvar::save(void)
 
     // Filenames
     std::string prefix((*this)["prefix"].string());
-    GFilename peaksigmap(prefix + "peaksigmap.fits");
 
     // Write counts cube
     if ((*this)["outcube"].is_valid()) {
@@ -629,8 +628,8 @@ void ctfindvar::save(void)
     write_srchist();
 
     // Write the output file
-    GFilename outfile = prefix + "signifmap.fits";
-    m_outfile.saveto(outfile, (*this)["clobber"].boolean());
+    GFilename outfilename = prefix + "signifmap.fits";
+    m_outfile.saveto(outfilename, (*this)["clobber"].boolean());
 
     // Return
     return;
diff --git a/src/ctfindvar/ctfindvar.hpp b/src/ctfindvar/ctfindvar.hpp
index 9e09222..7128bc3 100644
--- a/src/ctfindvar/ctfindvar.hpp
+++ b/src/ctfindvar/ctfindvar.hpp
@@ -96,6 +96,7 @@ protected:
     GSkyDir           m_max_sig_dir;   //!< Sky direction associated with maximum significance
     double            m_minoff;        //!< Minimum counts for use in significance calculation
     double            m_sig_threshold; //!< Minimum significance required to set source as variable 
+    GFits            m_outfile;        //!< FITS object to store output
     GSkyMap           m_peaksigmap;    //!< Skymap holding the maximum significance
     GNdarray          m_pixsigsrc;     //!< Store distributions of the source significances
     GNdarray          m_pixsigmax;     //!< Store distribution for pixel with max significance