diff --git a/gimp.spec b/gimp.spec
index 65d66f8..b9479d4 100644
--- a/gimp.spec
+++ b/gimp.spec
@@ -493,10 +493,10 @@ ln -snf gimprc-%{binver}.5 %{buildroot}/%{_mandir}/man5/gimprc.5
 # Hardcode python interpreter in shipped python plug-ins. This actually has no
 # effect because gimp maps hashbangs with and without the /usr/bin/env detour
 # to the system python interpreter, but this will avoid false alarms.
-grep -E -rl '^#!\s*%{_bindir}/env\s+python' --include=\*.py "%{buildroot}" |
+grep -E -rl '^#!\s*/usr/bin/env\s+python' --include=\*.py "%{buildroot}" |
     while read file; do
-        sed -r '1s,^#!\s*%{_bindir}/env\s+python$,#!%{__python2},' -i "$file"
-        sed -r '1s,^#!\s*%{_bindir}/env\s+python2$,#!%{__python2},' -i "$file"
+        sed -r '1s,^#!\s*/usr/bin/env\s+python$,#!%{__python2},' -i "$file"
+        sed -r '1s,^#!\s*/usr/bin/env\s+python2$,#!%{__python2},' -i "$file"
     done
 
 echo "%{__python2}=%{__python2}" >> %{buildroot}%{_libdir}/gimp/%{lib_api_version}/interpreters/pygimp.interp