diff --git a/src/modules/Si443x/Si4430.h b/src/modules/Si443x/Si4430.h
index 815ec7ad..ff3b06f6 100644
--- a/src/modules/Si443x/Si4430.h
+++ b/src/modules/Si443x/Si4430.h
@@ -1,7 +1,10 @@
-#if !defined(_RADIOLIB_SI4430_H) && !defined(RADIOLIB_EXCLUDE_SI443X)
+#if !defined(_RADIOLIB_SI4430_H)
 #define _RADIOLIB_SI4430_H
 
 #include "../../TypeDef.h"
+
+#if !defined(RADIOLIB_EXCLUDE_SI443X)
+
 #include "../../Module.h"
 #include "Si4432.h"
 
@@ -72,3 +75,5 @@ class Si4430: public Si4432 {
 };
 
 #endif
+
+#endif
diff --git a/src/modules/Si443x/Si4431.h b/src/modules/Si443x/Si4431.h
index 5f8b3821..00167a7d 100644
--- a/src/modules/Si443x/Si4431.h
+++ b/src/modules/Si443x/Si4431.h
@@ -1,7 +1,10 @@
-#if !defined(_RADIOLIB_SI4431_H) && !defined(RADIOLIB_EXCLUDE_SI443X)
+#if !defined(_RADIOLIB_SI4431_H)
 #define _RADIOLIB_SI4431_H
 
 #include "../../TypeDef.h"
+
+#if !defined(RADIOLIB_EXCLUDE_SI443X)
+
 #include "../../Module.h"
 #include "Si4432.h"
 
@@ -63,3 +66,5 @@ class Si4431: public Si4432 {
 };
 
 #endif
+
+#endif
diff --git a/src/modules/Si443x/Si4432.h b/src/modules/Si443x/Si4432.h
index 4b1d0af6..7537e689 100644
--- a/src/modules/Si443x/Si4432.h
+++ b/src/modules/Si443x/Si4432.h
@@ -1,7 +1,10 @@
-#if !defined(_RADIOLIB_SI4432_H) && !defined(RADIOLIB_EXCLUDE_SI443X)
+#if !defined(_RADIOLIB_SI4432_H)
 #define _RADIOLIB_SI4432_H
 
 #include "../../TypeDef.h"
+
+#if !defined(RADIOLIB_EXCLUDE_SI443X)
+
 #include "../../Module.h"
 #include "Si443x.h"
 
@@ -72,3 +75,5 @@ class Si4432: public Si443x {
 };
 
 #endif
+
+#endif
diff --git a/src/modules/Si443x/Si443x.h b/src/modules/Si443x/Si443x.h
index 29417363..8e2907a5 100644
--- a/src/modules/Si443x/Si443x.h
+++ b/src/modules/Si443x/Si443x.h
@@ -1,7 +1,10 @@
-#if !defined(_RADIOLIB_SI443X_H) && !defined(RADIOLIB_EXCLUDE_SI443X)
+#if !defined(_RADIOLIB_SI443X_H)
 #define _RADIOLIB_SI443X_H
 
 #include "../../TypeDef.h"
+
+#if !defined(RADIOLIB_EXCLUDE_SI443X)
+
 #include "../../Module.h"
 
 #include "../../protocols/PhysicalLayer/PhysicalLayer.h"
@@ -794,3 +797,5 @@ class Si443x: public PhysicalLayer {
 };
 
 #endif
+
+#endif