diff --git a/modules/modperl/CMakeLists.txt b/modules/modperl/CMakeLists.txt
index 5e4fc59b..06f85801 100644
--- a/modules/modperl/CMakeLists.txt
+++ b/modules/modperl/CMakeLists.txt
@@ -57,7 +57,7 @@ if(SWIG_FOUND)
 		-outdir "${CMAKE_CURRENT_BINARY_DIR}"
 		-o "${CMAKE_CURRENT_BINARY_DIR}/modperl_biglib.cpp"
 		"${CMAKE_CURRENT_SOURCE_DIR}/modperl.i"
-		DEPENDS "modperl.i"
+		DEPENDS "modperl.i" "${PROJECT_BINARY_DIR}/include/znc/Csocket.h"
 		IMPLICIT_DEPENDS CXX "${CMAKE_CURRENT_SOURCE_DIR}/modperl.i"
 		VERBATIM)
 else()
diff --git a/modules/modpython/CMakeLists.txt b/modules/modpython/CMakeLists.txt
index 6af81382..772a7d7a 100644
--- a/modules/modpython/CMakeLists.txt
+++ b/modules/modpython/CMakeLists.txt
@@ -54,7 +54,7 @@ if(SWIG_FOUND)
 		-outdir "${CMAKE_CURRENT_BINARY_DIR}"
 		-o "${CMAKE_CURRENT_BINARY_DIR}/modpython_biglib.cpp"
 		"${CMAKE_CURRENT_SOURCE_DIR}/modpython.i"
-		DEPENDS "modpython.i"
+		DEPENDS "modpython.i" "${PROJECT_BINARY_DIR}/include/znc/Csocket.h"
 		IMPLICIT_DEPENDS CXX "${CMAKE_CURRENT_SOURCE_DIR}/modpython.i"
 		VERBATIM)
 else()