diff --git a/scripts/build/debug/400-ltrace.sh b/scripts/build/debug/400-ltrace.sh
index 2a015f20..2b7ebed4 100644
--- a/scripts/build/debug/400-ltrace.sh
+++ b/scripts/build/debug/400-ltrace.sh
@@ -1,7 +1,7 @@
 # Build script for ltrace
 
 do_debug_ltrace_get() {
-    CT_GetFile "ltrace_${CT_LTRACE_VERSION}.orig" {ftp,http}://ftp.de.debian.org/debian/pool/main/l/ltrace/
+    CT_GetFile "ltrace_${CT_LTRACE_VERSION}.orig" .tar.gz {ftp,http}://ftp.de.debian.org/debian/pool/main/l/ltrace/
     # Create a link so that the following steps are easier to do:
     cd "${CT_TARBALLS_DIR}"
     ltrace_ext=$(CT_GetFileExtension "ltrace_${CT_LTRACE_VERSION}.orig")