diff --git a/projects/tpm2-tss/build.sh b/projects/tpm2-tss/build.sh
index 08f536e19..242787c79 100644
--- a/projects/tpm2-tss/build.sh
+++ b/projects/tpm2-tss/build.sh
@@ -37,5 +37,5 @@ sed -i 's/@DX_RULES@/# @DX_RULES@/g' Makefile
 make -j $(nproc) fuzz-targets
 
 for filename in $(ls test/fuzz/*.fuzz); do
-  cp -v $filename $OUT/$(echo $(basename filename) | sed -e 's/\./_/g')
+  cp -v $filename $OUT/$(echo $(basename $filename .fuzz))
 done