diff --git a/src/mod/languages/mod_perl/mod_perl.c b/src/mod/languages/mod_perl/mod_perl.c
index c7dbcbc1c5..646e3917c4 100644
--- a/src/mod/languages/mod_perl/mod_perl.c
+++ b/src/mod/languages/mod_perl/mod_perl.c
@@ -38,6 +38,10 @@
 #pragma comment(lib, PERL_LIB)
 #endif
 
+#if defined (__SVR4) && defined (__sun)
+#include <uconfig.h>
+#endif
+
 #include <EXTERN.h>
 #include <perl.h>
 #include <switch.h>
diff --git a/src/mod/languages/mod_perl/perlxsi.c b/src/mod/languages/mod_perl/perlxsi.c
index f5eb81a4e5..fdda224318 100644
--- a/src/mod/languages/mod_perl/perlxsi.c
+++ b/src/mod/languages/mod_perl/perlxsi.c
@@ -1,4 +1,8 @@
+#if defined (__SVR4) && defined (__sun)
+#include <uconfig.h>
+#endif
 #include <EXTERN.h>
+#include <embed.h>
 #include <perl.h>
 
 EXTERN_C void xs_init(pTHX);