diff --git a/src/formula.cpp b/src/formula.cpp
index a4415a9e81b..6fe617deb3c 100644
--- a/src/formula.cpp
+++ b/src/formula.cpp
@@ -70,12 +70,7 @@ void FormulaList::generateBitmaps(const char *path)
     if (Config_getBool(LATEX_BATCHMODE)) t << "\\batchmode" << endl;
     t << "\\documentclass{article}" << endl;
     t << "\\usepackage{epsfig}" << endl; // for those who want to include images
-    const char *s=Config_getList(EXTRA_PACKAGES).first();
-    while (s)
-    {
-      t << "\\usepackage{" << s << "}\n";
-      s=Config_getList(EXTRA_PACKAGES).next();
-    }
+    writeExtraLatexPackages(t);
     t << "\\pagestyle{empty}" << endl; 
     t << "\\begin{document}" << endl;
     int page=0;
diff --git a/src/latexgen.cpp b/src/latexgen.cpp
index 70824850d34..53fc9db3ad8 100644
--- a/src/latexgen.cpp
+++ b/src/latexgen.cpp
@@ -619,21 +619,7 @@ static void writeDefaultHeaderPart1(FTextStream &t)
        "\\makeindex\n"
        "\n";
 
-  // User-specified packages
-  QStrList &extraPackages = Config_getList(EXTRA_PACKAGES);
-  if (!extraPackages.isEmpty()) {
-    t << "% Packages requested by user\n";
-    const char *pkgName=extraPackages.first();
-    while (pkgName)
-    {
-      if ((pkgName[0] == '[') || (pkgName[0] == '{'))
-        t << "\\usepackage" << pkgName << "\n";
-      else
-        t << "\\usepackage{" << pkgName << "}\n";
-      pkgName=extraPackages.next();
-    }
-    t << "\n";
-  }
+  writeExtraLatexPackages(t);
 
   // Hyperlinks
   bool pdfHyperlinks = Config_getBool(PDF_HYPERLINKS);
diff --git a/src/util.cpp b/src/util.cpp
index 592398d27d3..c630449a6b9 100755
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -8679,3 +8679,23 @@ bool openOutputFile(const char *outFile,QFile &f)
   return fileOpened;
 }
 
+void writeExtraLatexPackages(FTextStream &t)
+{
+  // User-specified packages
+  QStrList &extraPackages = Config_getList(EXTRA_PACKAGES);
+  if (!extraPackages.isEmpty()) 
+  {
+    t << "% Packages requested by user\n";
+    const char *pkgName=extraPackages.first();
+    while (pkgName)
+    {
+      if ((pkgName[0] == '[') || (pkgName[0] == '{'))
+        t << "\\usepackage" << pkgName << "\n";
+      else
+        t << "\\usepackage{" << pkgName << "}\n";
+      pkgName=extraPackages.next();
+    }
+    t << "\n";
+  }
+}
+
diff --git a/src/util.h b/src/util.h
index 777da7157d0..15f4c4fe374 100755
--- a/src/util.h
+++ b/src/util.h
@@ -475,6 +475,7 @@ void convertProtectionLevel(
 
 bool mainPageHasTitle();
 bool openOutputFile(const char *outFile,QFile &f);
+void writeExtraLatexPackages(FTextStream &t);
 
 #endif