diff --git a/src/libtnccs/plugins/tnc_imc/tnc_imc.c b/src/libtnccs/plugins/tnc_imc/tnc_imc.c
index 2d556d9d9f..6af8d166d4 100644
--- a/src/libtnccs/plugins/tnc_imc/tnc_imc.c
+++ b/src/libtnccs/plugins/tnc_imc/tnc_imc.c
@@ -15,7 +15,9 @@
 
 #include "tnc_imc.h"
 
+#ifndef WIN32
 #include <dlfcn.h>
+#endif
 
 #include <tncif_pa_subtypes.h>
 
diff --git a/src/libtnccs/plugins/tnc_imv/tnc_imv.c b/src/libtnccs/plugins/tnc_imv/tnc_imv.c
index ab2e552531..039f1fcf1b 100644
--- a/src/libtnccs/plugins/tnc_imv/tnc_imv.c
+++ b/src/libtnccs/plugins/tnc_imv/tnc_imv.c
@@ -15,7 +15,9 @@
 
 #include "tnc_imv.h"
 
+#ifndef WIN32
 #include <dlfcn.h>
+#endif
 
 #include <tncif_pa_subtypes.h>