diff --git a/easybuild/easyconfigs/r/R/R-4.1.0-foss-2021a.eb b/easybuild/easyconfigs/r/R/R-4.1.0-foss-2021a.eb
index b897944bd7d5..3bdb84f74b23 100644
--- a/easybuild/easyconfigs/r/R/R-4.1.0-foss-2021a.eb
+++ b/easybuild/easyconfigs/r/R/R-4.1.0-foss-2021a.eb
@@ -1650,7 +1650,8 @@ exts_list = [
         'checksums': ['d04a45197646fb36bc38870c1c2351cb56b912bd772b1ebfa25eaeef35fda9c0'],
     }),
     ('plot3Drgl', '1.0.2', {
-        'checksums': ['aa874891446a395f01791d80a5a0f1f9a1c2c41f029de3a8d5af9aa47f46a496'],
+        'checksums': [('aa874891446a395f01791d80a5a0f1f9a1c2c41f029de3a8d5af9aa47f46a496',
+                       '805513029895cf5a81f18ede4123ef2525a236cd555437609229fe720c346e14')],
     }),
     ('OceanView', '1.0.5', {
         'checksums': ['c16e1bed97f4ede46dc017fdd6bd7575d925b57bd2601317bd3ad2357609f885'],
diff --git a/easybuild/easyconfigs/r/R/R-4.1.2-foss-2021b.eb b/easybuild/easyconfigs/r/R/R-4.1.2-foss-2021b.eb
index 39614e50c0d2..9c0872e0343e 100644
--- a/easybuild/easyconfigs/r/R/R-4.1.2-foss-2021b.eb
+++ b/easybuild/easyconfigs/r/R/R-4.1.2-foss-2021b.eb
@@ -1683,7 +1683,8 @@ exts_list = [
         'checksums': ['d04a45197646fb36bc38870c1c2351cb56b912bd772b1ebfa25eaeef35fda9c0'],
     }),
     ('plot3Drgl', '1.0.2', {
-        'checksums': ['aa874891446a395f01791d80a5a0f1f9a1c2c41f029de3a8d5af9aa47f46a496'],
+        'checksums': [('aa874891446a395f01791d80a5a0f1f9a1c2c41f029de3a8d5af9aa47f46a496',
+                       '805513029895cf5a81f18ede4123ef2525a236cd555437609229fe720c346e14')],
     }),
     ('OceanView', '1.0.6', {
         'checksums': ['2c5165975d6c49fdc83a892cb0406584928dd44000c9774fffc00fbd2fec86f3'],
diff --git a/easybuild/easyconfigs/r/R/R-4.2.0-foss-2021b.eb b/easybuild/easyconfigs/r/R/R-4.2.0-foss-2021b.eb
index 7bcc0ce4428a..46ee68285da3 100644
--- a/easybuild/easyconfigs/r/R/R-4.2.0-foss-2021b.eb
+++ b/easybuild/easyconfigs/r/R/R-4.2.0-foss-2021b.eb
@@ -1692,7 +1692,8 @@ exts_list = [
         'checksums': ['d04a45197646fb36bc38870c1c2351cb56b912bd772b1ebfa25eaeef35fda9c0'],
     }),
     ('plot3Drgl', '1.0.2', {
-        'checksums': ['aa874891446a395f01791d80a5a0f1f9a1c2c41f029de3a8d5af9aa47f46a496'],
+        'checksums': [('aa874891446a395f01791d80a5a0f1f9a1c2c41f029de3a8d5af9aa47f46a496',
+                       '805513029895cf5a81f18ede4123ef2525a236cd555437609229fe720c346e14')],
     }),
     ('OceanView', '1.0.6', {
         'checksums': ['2c5165975d6c49fdc83a892cb0406584928dd44000c9774fffc00fbd2fec86f3'],