diff --git a/src/lib66/exec/ssexec_service_signal.c b/src/lib66/exec/ssexec_service_signal.c
index 6249a522afe9372ff7c5f094dc4abba7f7e712b7..87d644cb15d2de288ca99279aba9f4a481c61c8e 100644
--- a/src/lib66/exec/ssexec_service_signal.c
+++ b/src/lib66/exec/ssexec_service_signal.c
@@ -26,6 +26,7 @@
 #include <oblibs/directory.h>
 #include <oblibs/graph.h>
 #include <oblibs/sastr.h>
+#include <oblibs/environ.h>
 
 #include <skalibs/types.h>
 #include <skalibs/stralloc.h>
diff --git a/src/lib66/exec/ssexec_service_status.c b/src/lib66/exec/ssexec_service_status.c
index 5b97b9489335559f4365b0aa7d959e7fda9a239d..39683bd07b9c53cc68b2f35114babaa397786d95 100644
--- a/src/lib66/exec/ssexec_service_status.c
+++ b/src/lib66/exec/ssexec_service_status.c
@@ -27,6 +27,7 @@
 #include <oblibs/files.h>
 #include <oblibs/directory.h>
 #include <oblibs/graph.h>
+#include <oblibs/environ.h>
 
 #include <skalibs/stralloc.h>
 #include <skalibs/genalloc.h>
diff --git a/src/lib66/sanitize/sanitize_init.c b/src/lib66/sanitize/sanitize_init.c
index 0a0a1af5ee6499a0e2a826d1c8e6308a73595884..ff4b60d371fc07deb01dd1e27784ae39f7bdf02c 100644
--- a/src/lib66/sanitize/sanitize_init.c
+++ b/src/lib66/sanitize/sanitize_init.c
@@ -21,6 +21,7 @@
 #include <oblibs/string.h>
 #include <oblibs/types.h>
 #include <oblibs/sastr.h>
+#include <oblibs/environ.h>
 
 #include <skalibs/types.h>
 #include <skalibs/tai.h>
diff --git a/src/lib66/svc/svc_send_wait.c b/src/lib66/svc/svc_send_wait.c
index 13cd9d182bd698347a4929e20d8bcbc1803d321a..34fc6a21763c2657140cb3835881d85ee96c416b 100644
--- a/src/lib66/svc/svc_send_wait.c
+++ b/src/lib66/svc/svc_send_wait.c
@@ -13,6 +13,7 @@
  */
 
 #include <oblibs/log.h>
+#include <oblibs/environ.h>
 
 #include <skalibs/djbunix.h>