diff --git a/utils/pdftoppm.1 b/utils/pdftoppm.1
index 2321d6d..7f88b6d 100644
--- a/utils/pdftoppm.1
+++ b/utils/pdftoppm.1
@@ -102,6 +102,18 @@ Specifies the TIFF compression type.  This defaults to "none".
 Enable or disable FreeType (a TrueType / Type 1 font rasterizer).
 This defaults to "yes".
 .TP
+.BI \-thinlinemode " none | solid | shape"
+Specifies the thin line mode. This defaults to "none".
+.TP
+"solid": 
+adjust lines with a width less than one pixel to pixel boundary 
+and paint it with a width of one pixel.
+.TP
+"shape": 
+adjust lines with a width less than one pixel to pixel boundary 
+and paint it with a width of one pixel but with a shape in proportion
+to its width.
+.TP
 .BI \-aa " yes | no"
 Enable or disable font anti-aliasing.  This defaults to "yes".
 .TP
diff --git a/utils/pdftoppm.cc b/utils/pdftoppm.cc
index 73f337c..a3d4d10 100644
--- a/utils/pdftoppm.cc
+++ b/utils/pdftoppm.cc
@@ -94,6 +94,8 @@ static char vectorAntialiasStr[16] = "";
 static char ownerPassword[33] = "";
 static char userPassword[33] = "";
 static char TiffCompressionStr[16] = "";
+static char thinLineModeStr[8] = "";
+static SplashThinLineMode thinLineMode = splashThinLineDefault;
 #ifdef UTILS_USE_PTHREADS
 static int numberOfJobs = 1;
 #endif // UTILS_USE_PTHREADS
@@ -169,6 +171,8 @@ static const ArgDesc argDesc[] = {
   {"-freetype",   argString,      enableFreeTypeStr, sizeof(enableFreeTypeStr),
    "enable FreeType font rasterizer: yes, no"},
 #endif
+  {"-thinlinemode", argString, thinLineModeStr, sizeof(thinLineModeStr),
+   "set thin line mode: none, solid, shape. Default: none"},
   
   {"-aa",         argString,      antialiasStr,   sizeof(antialiasStr),
    "enable font anti-aliasing: yes, no"},
@@ -283,7 +287,7 @@ static void processPageJobs() {
 #if SPLASH_CMYK
         			    (jpegcmyk || overprint) ? splashModeDeviceN8 :
 #endif
-		              splashModeRGB8, 4, gFalse, *pageJob.paperColor);
+		              splashModeRGB8, 4, gFalse, *pageJob.paperColor, gTrue, gTrue, thinLineMode);
     splashOut->startDoc(pageJob.doc);
     
     savePageSlice(pageJob.doc, splashOut, pageJob.pg, x, y, w, h, pageJob.pg_w, pageJob.pg_h, pageJob.ppmFile);
@@ -368,6 +372,15 @@ int main(int argc, char *argv[]) {
       fprintf(stderr, "Bad '-aaVector' value on command line\n");
     }
   }
+  if (thinLineModeStr[0]) {
+    if (strcmp(thinLineModeStr, "solid") == 0) {
+      thinLineMode = splashThinLineSolid;
+    } else if (strcmp(thinLineModeStr, "shape") == 0) {
+      thinLineMode = splashThinLineShape;
+    } else if (strcmp(thinLineModeStr, "none") != 0) {
+      fprintf(stderr, "Bad '-thinlinemode' value on command line\n");
+    }
+  }
   if (quiet) {
     globalParams->setErrQuiet(quiet);
   }
@@ -444,7 +457,7 @@ int main(int argc, char *argv[]) {
 				    (jpegcmyk || overprint) ? splashModeDeviceN8 :
 #endif
 				             splashModeRGB8, 4,
-				  gFalse, paperColor);
+				  gFalse, paperColor, gTrue, gTrue, thinLineMode);
   splashOut->startDoc(doc);
   
 #endif // UTILS_USE_PTHREADS