diff --git a/OCRmyPDF.sh b/OCRmyPDF.sh
index 09408ed4..31fc51bd 100644
--- a/OCRmyPDF.sh
+++ b/OCRmyPDF.sh
@@ -227,7 +227,7 @@ numpages=`tail -n 1 "$FILE_PAGES_INFO" | cut -f1 -d" "`
 
 # concatenate all pages
 [ $VERBOSITY -ge $LOG_DEBUG ] && echo "Output file: Concatenating all pages"
-! pdftk "${TMP_FLD}/"*-ocred.pdf cat output "$FILE_OUTPUT_PDF_CAT" \
+! pdftk "${TMP_FLD}/"*ocred*.pdf cat output "$FILE_OUTPUT_PDF_CAT" \
 	&& echo "Could not concatenate individual PDF pages (\"${TMP_FLD}/*-ocred.pdf\") to one file. Exiting..." && exit $EXIT_OTHER_ERROR
 
 # convert the pdf file to match PDF/A format
diff --git a/src/ocrPage.sh b/src/ocrPage.sh
index 7ef9c34f..35aeecab 100644
--- a/src/ocrPage.sh
+++ b/src/ocrPage.sh
@@ -126,12 +126,12 @@ widthPDF=`echo $PAGE_INFO | cut -f2 -d" "`
 heightPDF=`echo $PAGE_INFO | cut -f3 -d" "`
 
 # create the name of the required temporary files
-curOrigImg="$TMP_FLD/${page}_Image"					# original image available in the current PDF page 
+curOrigImg="$TMP_FLD/${page}.orig-img"					# original image available in the current PDF page 
 									# (the image file may have a different orientation than in the pdf file)
-curHocr="$TMP_FLD/$page.hocr"						# hocr file to be generated by the OCR SW for the current page
-curOCRedPDF="$TMP_FLD/${page}-ocred.pdf"				# PDF file containing the image + the OCRed text for the current page
-curOCRedPDFDebug="$TMP_FLD/${page}-debug-ocred.pdf"			# PDF file containing data required to find out if OCR worked correctly
-curImgCharacteristics="$TMP_FLD/${page}-img-characteristics.txt"	# Detected characteristics of the embedded image
+curHocr="$TMP_FLD/${page}.hocr"						# hocr file to be generated by the OCR SW for the current page
+curOCRedPDF="$TMP_FLD/${page}.ocred.pdf"				# PDF file containing the image + the OCRed text for the current page
+curOCRedPDFDebug="$TMP_FLD/${page}.ocred-debug.pdf"			# PDF file containing data required to find out if OCR worked correctly
+curImgCharacteristics="$TMP_FLD/${page}.orig-img-info.txt"	# Detected characteristics of the embedded image
 
 
 # auto-detect the characteristics of the embedded image