diff -Nru ImageMagick-6.2.6/magick/blob.c ImageMagick-6.2.6-new/magick/blob.c
--- ImageMagick-6.2.6/magick/blob.c	2006-01-19 00:30:32.000000000 +0100
+++ ImageMagick-6.2.6-new/magick/blob.c	2006-01-26 00:12:21.000000000 +0100
@@ -1927,8 +1927,17 @@
             char
               format[MaxTextExtent];
 
+	    /* Extract first numeric format specifier */
             (void) CopyMagickString(format,p,MaxTextExtent);
+	    if (q-p+1 < MaxTextExtent)
+		    format[q-p+1]='\0';
+	    /* Expand format */
             (void) FormatMagickString(p,MaxTextExtent,format,image->scene);
+	    /* Copy rest of string verbatim without further expansion */
+	    (void) ConcatenateMagickString(filename,
+	                                   image_info->filename+(q-filename)+1,
+					   MaxTextExtent);
+
             break;
           }
       }
diff -Nru ImageMagick-6.2.6/magick/image.c ImageMagick-6.2.6-new/magick/image.c
--- ImageMagick-6.2.6/magick/image.c	2006-01-17 17:20:54.000000000 +0100
+++ ImageMagick-6.2.6-new/magick/image.c	2006-01-26 00:12:21.000000000 +0100
@@ -2794,8 +2794,16 @@
             char
               format[MaxTextExtent];
 
+	    /* Extract first numeric format specifier */
             (void) CopyMagickString(format,p,MaxTextExtent);
+	    if (q-p+1 < MaxTextExtent)
+		    format[q-p+1]='\0';
+	    /* Expand format */
             (void) FormatMagickString(p,MaxTextExtent,format,image_info->scene);
+	    /* Copy rest of string verbatim without further expansion */
+	    (void) ConcatenateMagickString(filename,
+	                                   image_info->filename+(q-filename)+1,
+					   MaxTextExtent);
             break;
           }
       }