diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index 92d14d188d..4df61c0a31 100644
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -53,7 +53,9 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include <sys/stat.h>
 #include <regex.h>
 #include <sys/ioctl.h>
+#if defined(HAVE_DAHDI)
 #include <dahdi/user.h>
+#endif
 
 #include "asterisk/paths.h"	/* need ast_config_AST_DATA_DIR for firmware */
 
diff --git a/main/asterisk.c b/main/asterisk.c
index e086c06736..02ffb25e04 100644
--- a/main/asterisk.c
+++ b/main/asterisk.c
@@ -87,7 +87,9 @@ int daemon(int, int);  /* defined in libresolv of all places */
 #endif
 
 #include <sys/ioctl.h>
+#if defined(HAVE_DAHDI)
 #include <dahdi/user.h>
+#endif
 
 #ifdef linux
 #include <sys/prctl.h>
diff --git a/main/channel.c b/main/channel.c
index 5135650148..f8406feb06 100644
--- a/main/channel.c
+++ b/main/channel.c
@@ -33,7 +33,9 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include <signal.h>
 #include <math.h>
 #include <sys/ioctl.h>
+#if defined(HAVE_DAHDI)
 #include <dahdi/user.h>
+#endif
 
 #include "asterisk/paths.h"	/* use ast_config_AST_SYSTEM_NAME */