diff --git a/meta/classes/mirrors.bbclass b/meta/classes/mirrors.bbclass
index d5812d8b3f..4ad814ff2f 100644
--- a/meta/classes/mirrors.bbclass
+++ b/meta/classes/mirrors.bbclass
@@ -54,7 +54,7 @@ p4://.*/.*      http://downloads.yoctoproject.org/mirror/sources/ \n \
 osc://.*/.*     http://downloads.yoctoproject.org/mirror/sources/ \n \
 https?$://.*/.* http://downloads.yoctoproject.org/mirror/sources/ \n \
 ftp://.*/.*     http://downloads.yoctoproject.org/mirror/sources/ \n \
-npm://.*/.*     http://downloads.yoctoproject.org/mirror/sources/ \n \
+npm://.*/?.*    http://downloads.yoctoproject.org/mirror/sources/ \n \
 cvs://.*/.*     http://sources.openembedded.org/ \n \
 svn://.*/.*     http://sources.openembedded.org/ \n \
 git://.*/.*     http://sources.openembedded.org/ \n \
@@ -64,7 +64,7 @@ p4://.*/.*      http://sources.openembedded.org/ \n \
 osc://.*/.*     http://sources.openembedded.org/ \n \
 https?$://.*/.* http://sources.openembedded.org/ \n \
 ftp://.*/.*     http://sources.openembedded.org/ \n \
-npm://.*/.*     http://sources.openembedded.org/ \n \
+npm://.*/?.*    http://sources.openembedded.org/ \n \
 ${CPAN_MIRROR}  http://cpan.metacpan.org/ \n \
 ${CPAN_MIRROR}  http://search.cpan.org/CPAN/ \n \
 "
diff --git a/meta/classes/own-mirrors.bbclass b/meta/classes/own-mirrors.bbclass
index 12b42675bc..0296d545be 100644
--- a/meta/classes/own-mirrors.bbclass
+++ b/meta/classes/own-mirrors.bbclass
@@ -9,5 +9,5 @@ p4://.*/.*      ${SOURCE_MIRROR_URL}
 osc://.*/.*     ${SOURCE_MIRROR_URL}
 https?$://.*/.* ${SOURCE_MIRROR_URL}
 ftp://.*/.*     ${SOURCE_MIRROR_URL}
-npm://.*/.*     ${SOURCE_MIRROR_URL}
+npm://.*/?.*    ${SOURCE_MIRROR_URL}
 }