diff --git a/easybuild/easyconfigs/p/PGPLOT/PGPLOT-5.2.2-GCCcore-13.2.0.eb b/easybuild/easyconfigs/p/PGPLOT/PGPLOT-5.2.2-GCCcore-13.2.0.eb
index 96edad22525..2550198c98c 100644
--- a/easybuild/easyconfigs/p/PGPLOT/PGPLOT-5.2.2-GCCcore-13.2.0.eb
+++ b/easybuild/easyconfigs/p/PGPLOT/PGPLOT-5.2.2-GCCcore-13.2.0.eb
@@ -31,10 +31,10 @@ dependencies = [
 
 # create .so symlinks for shared libraries
 postinstallcmds = [
-    "cd %(installdir)s/lib && ln -s libcpgplot.%s.%(version)s libcpgplot.%s.5" % (SHLIB_EXT, SHLIB_EXT),
-    "cd %(installdir)s/lib && ln -s libcpgplot.%s.%(version)s libcpgplot.%s" % (SHLIB_EXT, SHLIB_EXT),
-    "cd %(installdir)s/lib && ln -s libpgplot.%s.%(version)s libpgplot.%s.5" % (SHLIB_EXT, SHLIB_EXT),
-    "cd %(installdir)s/lib && ln -s libpgplot.%s.%(version)s libpgplot.%s" % (SHLIB_EXT, SHLIB_EXT),
+    "cd %(installdir)s/lib && ln -s libcpgplot.%(SHLIB_EXT)s.%(version)s libcpgplot.%(SHLIB_EXT)s.5",
+    "cd %(installdir)s/lib && ln -s libcpgplot.%(SHLIB_EXT)s.%(version)s libcpgplot.%(SHLIB_EXT)s",
+    "cd %(installdir)s/lib && ln -s libpgplot.%(SHLIB_EXT)s.%(version)s libpgplot.%(SHLIB_EXT)s.5",
+    "cd %(installdir)s/lib && ln -s libpgplot.%(SHLIB_EXT)s.%(version)s libpgplot.%(SHLIB_EXT)s",
 ]
 files_to_copy = [
     (['pgdemo*'], 'bin'),