diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index bb85fb512c..3911edb41b 100644
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -3584,7 +3584,7 @@ void Buffer::getSourceCode(odocstream & os, string const & format,
 			setMathFlavor(runparams);
 			xhtmlParagraphs(text(), *this, xs, runparams);
 		} else if (runparams.flavor == OutputParams::TEXT) {
-			bool dummy;
+			bool dummy = false;
 			// FIXME Handles only one paragraph, unlike the others.
 			// Probably should have some routine with a signature like them.
 			writePlaintextParagraph(*this,