diff --git a/glicid/utils.scm b/glicid/utils.scm
index 83296bc..a475699 100644
--- a/glicid/utils.scm
+++ b/glicid/utils.scm
@@ -37,6 +37,6 @@
 
 (define (gcc10-instead-of-gcc packagetorewrite)
  (let ((toolchaingcc (specification->package "gcc-toolchain@10"))
-       (toolchaingfortran  (specification->package "gfortran-toolchain@10")))
+       (toolchaingfortran  (specification->package "gfortran-toolchain@10.3.0")))
    (package-with-c-toolchain packagetorewrite `(("toolchaingcc" ,toolchaingcc)
                                     ("toulchaingfortran",toolchaingfortran)))))