diff --git a/src/add-ons/translators/libtifftranslator/TIFFTranslator.cpp b/src/add-ons/translators/libtifftranslator/TIFFTranslator.cpp
index 70f33dea3d..ada66fc8ef 100644
--- a/src/add-ons/translators/libtifftranslator/TIFFTranslator.cpp
+++ b/src/add-ons/translators/libtifftranslator/TIFFTranslator.cpp
@@ -557,6 +557,9 @@ TIFFTranslator::Identify(BPositionIO *inSource,
 			// at the same time
 			return B_BAD_VALUE;
 	}
+	bheaderonly = bdataonly = false;
+		// only allow writing of the entire image
+		// (fix for buggy programs that lie about what they actually need)
 	
 	uint32 n32ch;
 	memcpy(&n32ch, ch, sizeof(uint32));
@@ -750,6 +753,9 @@ TIFFTranslator::Translate(BPositionIO *inSource,
 			// at the same time
 			return B_BAD_VALUE;
 	}
+	bheaderonly = bdataonly = false;
+		// only allow writing of the entire image
+		// (fix for buggy programs that lie about what they actually need)
 	
 	uint32 n32ch;
 	memcpy(&n32ch, ch, sizeof(uint32));