diff --git a/include/fw/inject.sh b/include/fw/inject.sh
index 0760c1d8..29584e0a 100644
--- a/include/fw/inject.sh
+++ b/include/fw/inject.sh
@@ -175,7 +175,8 @@ modify_mac()
 		x_ "$nvmutil" "$xbtmp/gbe" setmac "$new_mac"
 	fi
 
-	fx_ newmac x_ find "$tmpromdir" -maxdepth 1 -type f -name "*.rom"
+	fx_ newmac x_ find "$tmpromdir" -mindepth 1 -maxdepth 1 \
+	    -type f -name "*.rom"
 
 	printf "\nThe following GbE NVM data will be written:\n"
 	x_ "$nvmutil" "$xbtmp/gbe" dump | grep -v "bytes read from file" || :
diff --git a/include/fw/vendor.sh b/include/fw/vendor.sh
index 10daeca3..7c8f9f2c 100644
--- a/include/fw/vendor.sh
+++ b/include/fw/vendor.sh
@@ -436,7 +436,8 @@ getvfile()
 	else
 		# inject vendor files
 
-		fx_ prep x_ find "$tmpromdir" -maxdepth 1 -type f -name "*.rom"
+		fx_ prep x_ find "$tmpromdir" -mindepth 1 -maxdepth 1 \
+		    -type f -name "*.rom"
 		( check_vendor_hashes ) || \
 		    err "$archive: Can't verify hashes" "getvfile" "$@"; :
 	fi
diff --git a/include/mk/release.sh b/include/mk/release.sh
index f0dc4864..e713ae64 100644
--- a/include/mk/release.sh
+++ b/include/mk/release.sh
@@ -109,7 +109,8 @@ prep_release_bin()
 	x_ ./mk -b stm32-vserprog
 	x_ ./mk -b pcsx-redux
 
-	fx_ mkrom_tarball x_ find bin -maxdepth 1 -type d -name "serprog_*"
+	fx_ mkrom_tarball x_ find bin -mindepth 1 -maxdepth 1 \
+	    -type d -name "serprog_*"
 
 	x_ mv bin ../roms
 }