diff --git a/gnu/packages/glicid.scm b/gnu/packages/glicid.scm
index 558ae09..f78815a 100644
--- a/gnu/packages/glicid.scm
+++ b/gnu/packages/glicid.scm
@@ -389,12 +389,13 @@
 ;;26.2 is ok : "1ilns8spik1xz2n668pf0awp4n7b3q7n886ml0q3bslb8fmqfl0i"
 ;;27.1 is ok : "1mqaxzsbhm7kh20dwdrapvx4x86wkbk1wgb2yyjz73l6bymv7vir"
 ;;28.1 is ok : "04y7wm2an842hf6idlbjvmiqnlh05xb2i9rhdb5ifzw6n3ciz5nr" 
+;; 30.0 crash : "1ycvd8sp3giwjbp0x3nvb8q2wrdc50s7lmzf44b9l51qgcnvvq93"
 
 (define-public glicid-specific-rdma-core-gcc-10
   (package
     (inherit rdma-core)
     (name "glicid-specific-rdma-core-gcc-10")
-    (version "30.0")
+    (version "28.1")
     (source (origin
               (method url-fetch)
               (uri (string-append "https://github.com/linux-rdma/rdma-core"
@@ -402,7 +403,7 @@
                                   version ".tar.gz"))
               (sha256
                (base32
-                "1ycvd8sp3giwjbp0x3nvb8q2wrdc50s7lmzf44b9l51qgcnvvq93"))))
+                "04y7wm2an842hf6idlbjvmiqnlh05xb2i9rhdb5ifzw6n3ciz5nr"))))
       (inputs `(("gcc", gcc-10)
       ,@(package-inputs rdma-core)))