diff --git a/plugins/crypto-vala/CMakeLists.txt b/plugins/crypto-vala/CMakeLists.txt
index 89f161b6..2c9f790a 100644
--- a/plugins/crypto-vala/CMakeLists.txt
+++ b/plugins/crypto-vala/CMakeLists.txt
@@ -22,7 +22,7 @@ GENERATE_HEADER
 
 set(CFLAGS ${VALA_CFLAGS} -I${CMAKE_CURRENT_SOURCE_DIR}/src)
 add_definitions(${CFLAGS})
-add_library(crypto-vala ${CRYPTO_VALA_C})
+add_library(crypto-vala STATIC ${CRYPTO_VALA_C})
 target_link_libraries(crypto-vala ${CRYPTO_VALA_PACKAGES} gcrypt)
 set_property(TARGET crypto-vala PROPERTY POSITION_INDEPENDENT_CODE ON)
 
diff --git a/plugins/gpgme-vala/CMakeLists.txt b/plugins/gpgme-vala/CMakeLists.txt
index ed1f57d0..5255bac4 100644
--- a/plugins/gpgme-vala/CMakeLists.txt
+++ b/plugins/gpgme-vala/CMakeLists.txt
@@ -45,7 +45,7 @@ DEPENDS
 
 set(CFLAGS ${VALA_CFLAGS} -I${CMAKE_CURRENT_SOURCE_DIR}/src)
 add_definitions(${CFLAGS})
-add_library(gpgme-vala ${GPGME_VALA_C} src/gpgme_fix.c)
+add_library(gpgme-vala STATIC ${GPGME_VALA_C} src/gpgme_fix.c)
 add_dependencies(gpgme-vala gpgme-vapi)
 target_link_libraries(gpgme-vala ${GPGME_VALA_PACKAGES} gpgme)
 set_property(TARGET gpgme-vala PROPERTY POSITION_INDEPENDENT_CODE ON)
diff --git a/plugins/signal-protocol/CMakeLists.txt b/plugins/signal-protocol/CMakeLists.txt
index 400de03c..ea7dc9bb 100644
--- a/plugins/signal-protocol/CMakeLists.txt
+++ b/plugins/signal-protocol/CMakeLists.txt
@@ -106,7 +106,7 @@ DEPENDS
 
 set(CFLAGS ${VALA_CFLAGS} -I${CMAKE_CURRENT_SOURCE_DIR}/libsignal-protocol-c/src -I${CMAKE_CURRENT_SOURCE_DIR}/src)
 add_definitions(${CFLAGS})
-add_library(signal-protocol-vala ${SIGNAL_PROTOCOL_VALA_C} ${CMAKE_CURRENT_SOURCE_DIR}/src/signal_helper.c)
+add_library(signal-protocol-vala STATIC ${SIGNAL_PROTOCOL_VALA_C} ${CMAKE_CURRENT_SOURCE_DIR}/src/signal_helper.c)
 add_dependencies(signal-protocol-vala signal-protocol-vapi)
 target_link_libraries(signal-protocol-vala ${SIGNAL_PROTOCOL_PACKAGES} gcrypt signal-protocol-c m)
 set_property(TARGET signal-protocol-vala PROPERTY POSITION_INDEPENDENT_CODE ON)