diff --git a/pdf.c b/pdf.c
index e6ef7d021861007b48f28b5fde38c6eda2175089..e55b1828681289fb49516fd8d4b99d92c76a6563 100644
--- a/pdf.c
+++ b/pdf.c
@@ -1997,12 +1997,14 @@ act_txtobj(const HParseResult *p, void *u)
             textlen += 1;
         case TW_Tj:
             textlen += txte->tstr.nchars;
-            *px += txte->tstr.nchars * node->ts.font->fref.fontsize; // TODO:: handle character width from font description
+            if (node->ts.font != NULL)
+                *px += txte->tstr.nchars * node->ts.font->fref.fontsize; // TODO:: handle character width from font description
             break;
 
 		case TW_TJ:
 			textlen += txte->tarray.flattened.nchars;
-            *px += txte->tarray.flattened.nchars * node->ts.font->fref.fontsize; // TODO:: handle character width from font description
+            if (node->ts.font != NULL)
+                *px += txte->tarray.flattened.nchars * node->ts.font->fref.fontsize; // TODO:: handle character width from font description
 			break;
 
 		default:
@@ -2098,14 +2100,16 @@ act_txtobj(const HParseResult *p, void *u)
         case TW_Tj:
             memcpy(&tstr[idx], txte->tstr.text, txte->tstr.nchars);
             idx += txte->tstr.nchars;
-            *px += txte->tarray.flattened.nchars * node->ts.font->fref.fontsize; // TODO:: handle character width from font description
+            if (node->ts.font != NULL)
+                *px += txte->tarray.flattened.nchars * node->ts.font->fref.fontsize; // TODO:: handle character width from font description
             break;
 
 
         case TW_TJ:
             memcpy(&tstr[idx], txte->tarray.flattened.text, txte->tarray.flattened.nchars);
             idx += txte->tarray.flattened.nchars;
-            *px += txte->tarray.flattened.nchars * node->ts.font->fref.fontsize; // TODO:: handle character width from font description
+            if (node->ts.font != NULL)
+                *px += txte->tarray.flattened.nchars * node->ts.font->fref.fontsize; // TODO:: handle character width from font description
             break;
 
 		default: